hit head on. they were on the way to an international airport. we're following the story and as soon as we get more information, we'll bring it to you live here. >> the united nations is sending people into syria. not peace keepers but unarmed military monitors. earlier today, the u.n. security counsel unanimously approved a 300-member observer mission to spread across syria and make sure the military and rebel fighters stick to the cease fire agreement. the american ambassador to the united nations says so far, syria is not holding up its end of the bargain. >> the regime has unleashed yet another wave of horrific violation against its own people. resulting in the deaths of scores of syrians daily. the government's use of shelling and heavy weaponry in particular in homs has reached levels that surpass those before the cease-fire. syrian government troops in armor have not been withdrawn

from cities and returns to barracks. protesters are still being intimidated and murdered by government forces. the status of thousands of detainees remains unclear. and pressures little progress has been made on the issue of human terrier access with an estimated 1 million civilians still in urgent need of humanitarian assistance. the united nations security counsel has called upon the government to take concrete action. the syrian government has ignored this counsel. in the united states, our patience is exhausted. >> u.s. media has had little coverage because we can't get in there. so joining me now live is ahmed kalaf. an opposition activist in syria. i know you can't hear me too well, but tell me what your reaction is to the 300 strong

u.n. monitoring mission that is going to be now implemented. >> okay, basically, as you know, this revolution i have been calling on for about a year and two months. through that year and two months, all we have been hearing is plans, plans, plans. whether from the eu or from the ar arab league or from the u.n. itself. all we have are plans and we keep on getting killed by the active forces under instruction from bashar al assad. the cease fire was supposed to take place. what happened? >> tell me, ahmed -- >> over 250 people who have been killed after the cease-fire. 250 people were kill ed after te cease-fire was supposed to have taken place and after that was

affected. we keep getting killed and they keep making plans and plans and plans. we want military intervention. the people need military intervention. we're being killed here every single day. there are over 13,000 killed throughout this revolution, throughout this one year and two months revolution. we have been killed every day. all we ask for is for military intervention. >> i understand that, and there are certain hoops to yump through in order for that to happen. what you have seen and we have been showing you this video of tank movement between prov nlss. the military is supposed to pull out of populated area. are you telling me that they have not pulled out of populated areas? >> no, they have not pulled out from populated areas. even if they did, it would just be playing a game in front of the monitor itself. we're seeing what is happening inside syria. i myself, i can't cross over a

message to the western media. what is happening in syria, there are explosions everywhere. we're being shelled, homes are being shelled, innocent people who have nothing to do with the revolution, that just want to work and go home and feed their families, their homes are shelled at the same time. whatever you're from, whatever religion you are, you're being killed. >> we have to leave it there. we appreciate your detailed records from an area of the world that is difficult to get any sort of information out of. our heart goes out to you. we hope the situation improves. hopefully the next step will do just that. stay safe. >> back at home, we learned that orrin hatch will face a primary to get the nomination for his seventh term. hatch was just shy of the 60% of dell geegates he needs to bolt automatically to november's general election. he will go up against former

senator dan lillen quist. he's the longest serving politician in utah. >> queen elizabeth may me making her 86th byte privately at windsor castle. a, but publicly, the 41-gun salute definitely took place. the queen also has an official birthday that is celebrated in june. that's when her majesty and members of the royal family attend the military color parade. now to florida with george zimmerman may be released from jail anytime now. the judge set a $150,000 bail in a hearing that took an unexpected turn when zimmerman took the stand and ezthis. >> i wanted to say i am sorry for the loss of your son. i did not know how old he was. i thought he was a little bit younger than i am. and i did not know if he was armed or not. >> cnn's david mattingly is

following the developments from sanford, florida. you got new information from zimmerman's attorney on the state of his mind. what do you know? >> that's right, mark o'mara emerged from the jail here without his high profile client to tell us that he's not -- has any solid indication of when george zimmerman will be getting out of jail. he said there's a lot here that needs to be done. not the least of which is security here, not just for zimmerman, but for his family as well. he has to somehow be able to get away from the scrutiny he's under at the county jail and slip back into hiding, possibly going out of state where he was lisking before he turned himself in to authorities here. but right now, his attorney is saying that his state of mind is such where he's focusing on getting out and working on his defense and he's very mindful that he's facing a second degree murder charge which could carry life in prison if he's found guilty. >> you know, yesterday, watching the hearing, david, it looked like a trial to me than an actual hearing.

zimmerman took the stand. kind of a risky move. he spoke publicly of the case. what's been the reaction there on the ground in sanford? >> well, there was an immediate reaction from the family of trayvon martin. i was looking right at his parents when george zimmerman was speaking directly to them. they seemed to be completely unmoved by it all. after the hearing was over, they immediate got up, left the courtroom without answering questions or talking to anyone. they let their attorney do the talking. he said they were very upset about this. they felt his apology was self-serving, and for the purposes of him getting bond. they question the timing of it, saying they felt he had plenty of opportunities before now to offer an apology. so again, no sign of either side coming together on any facet of this. george zimmerman is facing a charge of second degree murder for the murd er of tre'von murder. >> david, good stuff. right now, searchers are

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soho, upscale, trendy area with a lot of shops. you have a lot of tourists walking by here today and a lot of shoppers walking by, and some of them know, some of them don't know what's going on behind those barricades where you see the photographers lined up. because beyond there is where the fbi has set up their crime scene investigation. and just beyond that, for days now, they have been inside a basement downstairs, and at this time, they are sifting through all kinds of dirt, where they have dug up a cement floor and going six feet into the ground to see whether they can determine any signs whether little etan patz may have been buried there more than 33 years ago. that's how long it's been since he's disappeared. any evidence they find, and they had to obtain a search warrant to look for him there, after re-examining old and new information, they're trying to see whether they have evidence of any blood, of his remains,

any clothing, anything they can find to determine whether this might be his final resting place. rob? >> susan, this is so old. how common is it for a 33-year-old missing persons case to get this much police attention? this kid was on the milk carton campaign back in the '70s. does that have anything to do with it, that notoriety? >> that notoriety is how we all know about this case. but then the case lie dormant for a lot of years. occasionally, we understand, the police are always working on this case to one degree or another as things come up, but as of late, a couple years ago, the district attorney reopened up and they started to re-examine the old files with a fresh look. the fbi while looking at some old and new information, leads that included the following, they talked again to a man, a carpenter who used to work in the basement and who had spent the day before etan disappeared with the little boy in the

bayment. they were longtime friends. they questioned this man and they gathered enough information after talking to him and others to get a search warrant. they sent a cadaver dog into the basement and got a positive sign that they should be looking in there. and so that's what led them to get permission to go inside that building and start to look anew to see whether etan might have been buried there. >> i think i heard you right. you say the carpenter, a potential suspect there, was friends with him. so there was a family connection there. they were friends? >> that's right, that's right, and the family hasn't said exactly. the family hasn't been saying anything about this because they want privacy at the present time. and apparently, the two did know each other. the family isn't talking about that with us, but they did discuss this with an author who has been in touch with them. >> all right. >> they are being very close-mouthed about recent

developments because the fbi has asked them not to talk to anybody about it. they knew him. the family knew him, and etan knew him. they were pals. and they actually would spend some time together. he was a carpenter and a handyman, and sometimes etan would help him with his jobs. >> now this man is not being called a suspect by the fbi. he's not been charged in this case. and a lawyer representing him says that he has no information about the disappearance of etan patz. >> a lot of activity bemind you. updating the top story, a train collision in the netherlands. there are injured people taken from the scene. a cnn affiliate reports that 56 people have been injured. rou reuters reports than the two trains hit head-on. not a good thing. we do have a passenger on the

phone who is going to shed light on this. giovanni, what can you tell me about your experience? >> what actually happened is the train left from central station, and after like three minutes, it was like somebody pulled like emergency brake. but there was a crash. it was -- it was going like in a second, it was a big crash, and everybody in the train was in panic. >> were you up to full speed? were you up to full speed? how fast was the train going when the emergency brake was pulled and the crash happened? >> yeah, i don't think it was full speed because we were only away for like a couple minutes. but before the train stopped, the crash already -- yeah, there already was a crash before the train stopped. it didn't have enough time to

stop. >> were you thrown from your seat? were you thrown from the seat, stand sng what happened physically to the people who were in the cars? >> what happened to me is all of a sudden, my head hit against the window. because i was, like, yeah. using my ddm, talking to somebody, and my head was against the window, but it was hard, but it was like then i stood up and everybody was in panic. everybody was screaming. and a lot of people were injured. there was a lot of blood and stuff. yeah. >> so you were evacuated from the train via the normal doors and -- looking at pictures that you tweeted. so one is what appears to be the two trains kissing or you know after coming to a stop. the head-on collision there that doesn't look to be a terrible

amount of damage, but when you get two trains of that size going at any speed and passengers who may not be strapped in, you're likely going to have injuries. tell me about the scene when you got out of the train and snapped the picture. >> yeah, when i snapped the picture, it was like after a half hour. when people were not injured had the ability to leave the train. and that's when i made the picture. and yeah, a lot of paramedics were coming, police, the fire department, stuff. a lot of firemen. they got to the place of the accident to help the injured people. >> tell me about the train. is this a commuter train that people take from the city the the suburbs? more of a train that goes from one big city to the next? and how crowded was it? >> the train is called a sprinter. it's like not a very big train like intercity, a train that

goes to the airport and all of the big cities. this is a train that goes to the smaller cities around amsterdam and in the north of holland. it wasn't like a big train. >> how do you feel physically right now? a little shaken up? >> well, i was shocked in the beginning. but because i don't have any injuries at all, like, yeah, for me, it's okay. it's like a little surreal. did this thing really happen to me? >> i bet. >> yeah. >> the pictures we're seeing are surreal indeed. we're glad you made it out of there pretty much uninjured. good luck in your travels. we appreciate you helping us out on that train collision in amsterdam. >> a clickical shortage. leaving america vulnerable to terror attacks. we'll show you what is being done to fix that. >> tomorrow, dr. sanjay gupta is exploring architecture. he talks to people making pie in the sky dreams a reality.

modern buildings have regenerated into these big boring boxes and all of the quality that makes the space inhabitable is an on slot of machinery that pumps life and air into the building. what we're interesting in is what you would call engineering without engines. essentially, we use contemporary technology, our capacity to simulate and caluly the performance of the building to put the attributes into the actual design of the building. >> tune in tomorrow to watch the next list. it's a good show, 2:00 p.m. eastern time. [ male announcer ] a car is either luxury or it isn't. if you want a luxury car with a standard power moonroof, your options are going to be limited.

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well it's an undersmament that the job market is brutal, but there's one sector where jobs are routinely going unfilled. we explain why things are different inside the security and why there could be serious consequences. >> they're on the front lines defending america from cyberattacks. >> just looking for signs that the attackers are trying to gain access. >> government and industry insiders say you're practically guaranteed a job in cybersecurity if you have the right stuff. >> there is a lack of expertise, and there's a lot of people clamoring for people who know the internet world, can work in this area. >> last year, the department of homeland security's cyberunit responded to more than 106,000

cyberattacks. janet napolitano says unless we train more cyber experts, our economy could be the biggest casualty. she adds thousands of cyb cyber experts already work in the government, but there's a desperate need for more. >> we need people who are analysts, people who are engineers, we need people who are experienced in intelligence as it relates to the cyb cyber universe. >> george washington university is a short list of institutions answering that need. the university will launch a program in cybersecurity this fall? >> we get calls all the time from industry and government wanting to hire students and to find students who have this expertise and training. there are not enough people. we're educating them as fast as we can. >> and design systems hackers can't easily penetrate. logic, tech, and science back

grounds where pluses. kevin's security fund responds to government breaches but with only 220 people on staff, their response is mostly reactive. they can't match the current demand, and he says stopping attacks before they happen is impossible without more qualified people in place. >> takes a long time to learn how to be a cybersecurity expert. >> he believes the six to eight year grooming process in a challenging field may be keeping people away. >> renee, those in the industry are saying that the u.s. is definitely vulnerable. what are lawmakers' biggest concerns? what do they see as the worst case scenario? >> you know, one cyber security expert i spoke to, he put it to me like this. the u.s. economy could suffer a devastating blow. a huge blow, we're talking about in the billions here. and one worst case scenario is another country stealing our intellectual property, meaning our technology, our research

secrets, our trade secrets. and essentially the u.s. just wouldn't have that advantage anymore, so economically, we could really be dealt a devastating blow. and that's the major concern, rob. >> something we have been following and only seems to be ramping up. new reports highlight that. thanks, renee. >> the last thing you want when you go on vacation is to have someone steal your wallet, right? an expert pick pottering gives us tips on how to help you think like a thief.

well, the best way to protect your wall lt and credit

cards when you go on vacation may be to think like a thief. an expert in pick pocketing gives us tips on the go. >> pick pockets are everywhere tourists are. and bob should know. he calls himself a pick pocket artist. he travels the world watching pick pockets and studying their techniques. >> the least thing in my mind is who is going to grab my purse. >> never leave sight of your bag. >> as a stage pick pocket artist, he said the crucible is simple. >> pick pocketing is about distraction. get the victim to be having their guard down one way or another. >> women's handbags are an easy target. >> have it as high up into the armpit as possible. if you have a strap, it should go across the body. >> there are also travel wallets you can wear under your clothing and out of reach. >> they are not interested in the cash any longer. they simply want the credit

cards. >> be aware in crowds like in trains. >> it's not an issue of being paranoid. it's simply reducing the options for the thief. >> don't let the pick pocket steal the fun when you're on the go. that will do it for me. up next, a cnn special, going green. we continue at the top of the hour with don lemon. everything that i've gained in life

has been because of the teachers and the education that i had. they're just part of who i am. she convinced me that there was no limit to what we could learn. i don't think i'd be here today had i not had a wonderful science teacher. a teacher can make a huge difference in a child's life. he would never give up on any of us. thank you dr. newfield. you had a big impact on me. guys. come here, come here. [ telephone ringing ] i'm calling my old dealership. [ man ] may ford. hi, yeah. do you guys have any crossovers that offer better highway fuel economy than the chevy equinox? no, sorry, sir. we don't. oh, well, that's too bad. [ man ] kyle, is that you? [ laughs ] [ man ] still here, kyle. [ male announcer ] visit your local chevy dealer today. right now, very well qualified lessees can get a 2012 equinox ls for around $229 a month.

and then treats day after day... well, shoot, that's like checking on your burgers after they're burnt! [ male announcer ] treat your frequent heartburn by blocking the acid with prilosec otc. and don't get heartburn in the first place! [ male announcer ] one pill a day. 24 hours. zero heartburn. it looks like a normal house, it lives like a normal house, yet this house outside of washington, d.c. in aural lgten, virginia, offers the laetsest in green living. welcome to green solutions in focus. i'm tom foreman and we have chosep this place to host our show because it underscores how people all over the country are finding ways to make their daily

lives more environmentally friendly. once again, the fine photo journalists at cnn have spread out to capture stories that shed light on that subject, and light itself is the subject for the wor first one from jeremy moorehead about the rapidly changing business of bulbs. we're at the hardware store established in 1920, 11 blocks from there u.s. capital. i would call this energy efficient land. >> thank you so much. >> we have your traditional incan desants. >> yers, sir. >> i'm looking for one of these light bulbs. >> they're a big factor in the store's success. you could put up to 100 or use a compact fluorescent in there. >> it's using gases to

illuminate the gas. you're using roughly 20% of the watt aage on a compact fluorescent. my house converted to all compact fluoresce nlts. i have seen an energy savings. it lowers your air conditioning bill because you're emitting less heat. an l.e.d. bulb where you get 2 1/2 t to 3 times longer life than you do with a cfl. bulb like this is in the $50 range. that's the cadillac. this should last 46 years. that's longer than i'm going to be around. $1.81 to operate this light bulb. 65 watt is going to cost you five to six times more. we're trying to reduce the consumption in the entire country. it's going to benefit us and you know, in the long run.

>> this house by arlington designer homes has many green features in it, even if you can't see them. there's geothermal heat and cooling to keep the temperature balanced at all times. a special spray insulation to keep down energy bills, fixtures and appliances that are energy saving, cutting down on energy consumption is a passion for many green advocates, and it's driven a lot of interest in home solar panels. the problem is they're just too expensive for many people. however, photo journalist floyd found a company willing to rent those panels and let the homeowners keep the savings. >> solar power is making power from the sun. it is creating electricity that the sun shines down, converts into electricity in the home and is going to power the home. solar power is green energy because it's basically using no fuel, just takes the power from

the sun. it doesn't emit any gases, any carbon dioxide, any pollutants. the sunshine it sends energy through photons. those photons hit the solar panels, convert into electricity. it travels into your electric box. from there, it's powering all of the devices in your home. if you produce more solar than you use, you're going to send a little bit of that back out to the grid and your electric meter will spin backwards. you get a credit for that time from your electric company. at night, you're pulling the electricity from the grid. most homes are hybrid. they have a part of their electricity from the utility company and part from solar. one of the things that is really exciting right now for solar is the affordability of it has really gotten to be on a different level in the last

several years. this opens up a whole new class of consumers that just weren't available to solar. they may want to go solar. they my want to go green. they may want to be more independent from their utility company, but they didn't want to spend the money. >> like to be able to produce my own electricity if i could. so the best thing i could do is put solar panels up. i'm hoping to save 40% to 50% on my electric bill. with the mant nnls on it that's going to be done for the next 20 years, i don't have to worry about it. it just made sense, economic sense. >> when we return, you've never seen a home trash like this one we're going to visit. and it doesn't mean what you think. and -- >> we're looking for striped bass. the only thing we're going to catch is hopefully striped bass. >> fishing for solutions on the day. >> wow, that's a huge fish. >> green solutions in focus continues.

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by some estimates, the average american produces four pounds of waste a day. most of it from what we eat and drink in our kitchens. in a home like this, a whole family could produce a whole lot more. maybe, maybe a whole lot less. for example, if you're the johnson family in san francisco, well, i'm going to let photo journalist jeff king pick up the story from there. >> this is 2011 trash tally. i think it's food in general that creates most waste in the house. so for example, we get milk in milk bottles and take the milk bottles back to the store. this is the shopping tote, for example, that the glass jar, this is one of the jars, and this one will be filled with

meat or fish. i have the cloth bags and for the bulk dried goods and also the mesh bags for the produce. this is where we store our veggies. and this refrigerator, we can throw it in there loose. it stays really crisp and nice. this lifestyle was hard to start with i think because you have so much to figure out. >> for me, the initial pain i felt was i felt like, wow, she's going to the farmer's markets, stores where she's getting bulk food and buying organics and so forth. we must be spending a ton of money. when i finally did the comparison, it was shocking. overall, we figured out we were saving about 40%. >> people think that zero waste is only about tackling the discounts, but it's not about that. it's really stopping waste from coming into the home. it's stopping -- being more

careful about your consumption. this is the compost bin. >> it's not painful instead of sweeping my leftovers from a plate into the trash, you can come out here and put it in the worm bin. they will process all of the veggie scraps and create a compost. >> i think i took it a little too far at first. i took it to an extreme that was just not sustainable. once we found a really good balance, we realized that okay, now i think we have found a way of doing this for the rest of our lives. >> of course, we all bring massive amounts of products into our homes. food and electronics and clothing and personal care items. that last category caught the attention of another woman out in california who saw an opportunity to go green with skin care. and photo journalist john torigoe introduces us. >> we're in a garden in santa monica canyon.

i'm harvesting lavender that i use to infuse my oil for my skin care. here we have some lemon and lime leaves. there's a little bit of mint and there's some rose mary as well. my dream was always to create a simple, pure line of skin care. this is eucalyptus we harvested this morning. a lot i hang upside down to dry and harvest. it's about building the surface of the skin and maintaining that immunity and having a protective barrier. our core ingredients are our garden herbs, organic honeys. it's important that your skin is damp. you want an oil and what toor work together because oil and water do mix when it comes to skin care. we specialize in serums, creams frk and masks, things you leave on the skin because you want to feed and nourish your skin. i feel fantastic about using and i don't want to use anything with chemicals and therefore i

don't know where the ingredients came from. >> we make it at home, throw in green tea. i have a product line. skin care is my passion and i have been doing this for 21 years, but there are many pieces of the puzzle to be beautiful. beauty is a whole. beauty isn't just an external. it's how you live your life is beautiful. that's what radiates when you're doing things for the community or helping someone else. that's a green beauty clean. >> fuel expands when it heats up. a lot of times it's coming from a cold underground tank. it hits the boat and keeps expanding. >> in a moment, taking the environmental high road on the high seas. and a bright idea, the old fashioned light bulb beginning and maybe its end. when green solutions in focus continues.

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with jobs and kids and social commitms, it's not always easy getting out to get in touch with nature in a state park or a national forest, but just outside the door of your home, you may find a great place to cultivate a green yard. in more ways that you can imagine. as william walker discovered in georgia. >> there's native plants all over the united states.

they easily adapt to your area, your soil temperatures, your soil type. they're adapted to the region so you don't have to do extra furt liezing. we don't say don't use the things like the mass produced things. i like my pansies in the winter, too, just for the color. for the most part, once plants are established, they don't need as much water as you think they do. a rain barrel is a good idea if you have a lot of potted plants that need water. >> 1,000 square foot roof will produce 600 gallons of water with one inch of rain. this is a rain barrel and what they're designed to do is capture your roof's rain water. store it, and you're able to water your plants on a dry day. these rain barrels will push a 50 to 70 foot garden hose so you can water anywhere you please.

another way to conserve water is by capturing the condensation from your air conditioner. drip, drip, drip. just one drip at a time. i have always used a manual mower on my own lawns. not like your grandfather's mower. not made out of iron. they make lightweight versions now. there's a savings on gas and also a savings on environmental impact. power mowers do not have to have catalytic converters. pound for pound, they're much bigger polluters than automobiles. cleaning up afterward, we use good old rakes and brooms. it's very possible to save money and be environmentally friendly. it's a win-1 situation. >> many people want to carry this idea of going green far beyond their homes and their offices and their yards. into their leisure activities.

you'll find no greater proponents of that than the tens of millions of recreational boaters in this country. people who like to go fishing, divingering sight seeing. the chesapeake bay, not terribly far from here, has been the site of many environmental challenges over the years. and now, boaters are leading the charge out there to make things a lot better. photo journalist david ruff talks us for a ride. >> fabulous. it's going to heat up fast. >> yes, my wife what i did and she'll tell me nothing. my name is ryan schaefer. i live in edgewood in maryland. i have been down here for 25 years. >> we're looking for striped bass. about the only thing we're going to catch hopefully are large striped bass. >> we have about just under 200,000 registered boats in maryland. a lot of boats. >> my kids learned to water ski right in here. >> you have your novice boaters,

your family boaters, sailors, power boaters, that really experienced cruiser, fishermen. >> that's a huge fish. >> clean boating and all that we do in the water, via at home or anywhere else -- >> serious fish. >> it all goes downstream. when f you enjoy what come s ou of the water, you need to care about what goes in the water. a common thing if you have to fuel up your boat. >> about how much do you think it will take? >> don't top it off. fuel expands when you top it off. it comes from a cold tank. you put it in your warm boat and then it keeps expanding and it leaks out. >> it's sad to come out here and see plastic bags. >> it won't degrade in my lifetime or anyone's lifetime here today. >> what is that floating? >> try not to generate so much trash. put stuff in reusable plastic containers or glass containers, things you can use. that way you don't have trash,

anyway. boats call antifoulant containers. there are great new paints out there, environmental payments. >> this has econea instead of regular copper that controls the barnacles and mussels and things like that. >> it's real simple, if you wouldn't put it in a fish tank, don't hose it off the side of a boat. if you hose it off after you come in, and you have soap in there, you could be harming the aquatic life you couldn't be able to see. >> that's a nice fish. >> all these thing s add up, an it may seem like i'm doing one little thing in a big bay, but it's a lot of things. >> without boating, there's no fishing, no marinas. they don't enjoy it if they can't catch a fish, can't swim. that whole industry could go away. it's really important to take care of it. >> he was already known at the

wizard of the park because he was a man who could make a machine tarc. >> when we return, edson's bright idea. green solutions in focus continues in a moment. rdered thl that can help lower cholesterol and who ordered the yummy cereal? yummy. [ woman ] lower cholesterol. [ man 2 ] yummy. i got that wrong didn't i? [ male announcer ] want great taste and whole grain oats that can help lower cholesterol? honey nut cheerios.

nothing else marks the arrival of the electric age quite like the light bulb. it was revolutionary, dazzling. it became the symbol for inspiration itself. as we contemplate all of the changes in how we use electricity and all of the resources around us, we thought it would be fitting to close with looking at the origins of this bright idea. once again, jeremy moorehead.

>> we are in the smithsonian's national museum of american history. exhibition known as lighting revolution. we look at the process of invenz using edison's light bulb as a case study and then the process of inventing electric lighting 100 years after edison to see how inventors do things differently and how some things haven't changed. right now, we're behind the scenes in the vaults, as it were. the storage room of the electricity collections. this in a nutshell is the history of electric lighting starting with edison's work in 1879. this is one of the demonstration lamps. december 31st, kwoen 79, invited

the world to menlo park. he lit up with 100 light bulbs. he won in the marketplace, so his light bulb base is still what we work with. that's the whole reason our electrical system here in the united states is primarily 120 volts. the idea of producing more efficient electric lamps that would use less electricity. that very much edison would have been in favor of. nice edison stuff here. now, what's nice about these trays are these are basically the first five or six years of the edison light bulb. people when they would see the light bulbs light up, they would stand in awe. didn't put off a lot of heat like candles or oil lamps or cakerosene lamps. you have generations of people who have grown up having one idea about light bulbs.

maybe this finally is the swan song as it was for edison's lamp. maybe not. we have to stay tuned and see. >> and that's it. we hope maybe you got some ideas of your own about going green. for all of our excellent photo journalists and indeed anyone at cnn, i'm tom foreman. thanks for watching. my name is robin.

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