jumped too. this doctor was part of the team in washington that treated oliver. >> if you use the substances, just realize that they look very attractive to kids, they are often times packaged in tins or other packages that look attractive to kids. >> one, two, three, whoa! >> reporter: oliver made a full recovery. he is back to his old self. mom elizabeth is not. >> what is terrifying is i know that if he found the gummies again, he would eat them again. which, you know, which is why it's so important to lock them up and have them really out of reach. >> reporter: doctors say, don't just hide them, lock them up too. it's becoming an issue with more states legalizing marijuana and as edibles are more common in homes with kids. cbs news, washington. the tide has turned. red along florida's gulf coast.

a deadly algea bloom, has a ocean of dead fish washing in to tampa a bay. global warming and local pollution. >> reporter: tyler took us on tampa bay to see what he calls his nightmare. >> gna. ley. >> oh, man, it's nasty. >> reporter: dead fish everywhere. killed by aha turned bay toxic. as a fisherman what is it like to see this? >> it's devastating. my worst fears is have come true. >> reporter: he runs a fishing charter business and documenting the fish kill to pressure elected officials to help. he even covered himself in dead fish. do i have your attention now? >> reporter: what's the worst you have seen? >> dead fish as far as you can see, in every direction. big and small ones. looked like a bomb went off. >> reporter: red tides naturally occur off the coast of florida but scientists are saying that hniquand ain

warmingcean temtus due to clite change may lead to more red tides, this spring, 200 polluted gallons of water from a phosphate bay was dumped in the watend crosby studies red tide at sarasota's lab oratorylabora. >> tyler is worried he is running out of time. are you worried about your livelihood? >> 100%. my fear is that this entire region has potential to be a dead zone. >> ben tracy, cbs news. tampa bay. >> more than 200 of the world's leading climate scientists are meeting virtually to finalize a land mark united nation's report on climate change. we sat down with john kerry, president bide know's special

envoy for climate, to discuss what can be done to get world leaders to take action. ly floods sweep europe.cana. and china. and heat waves hitting the u.s. >> this is a direct impact of the climate crisis. >> john kerry told us these are now every day signs of the devastation unleashed by climate change. >> do you feel there's a nuisance of urgency internationally to do something faster against climate change? >> i think there's a growing sense of urge answer and i it's not at the peak level it needs to be in a coordinated basis around the planet. there's an enormous amount to do. >> we are on a tight deadline. >> we have going around th wor.

emissions.ifyugh30earth's tempe. >> reporter: under the paris climate treatyreed to limit the global warming to 3 degrees. but they are saying it's already 2 degrees hotter, contributing to melting ice, rising sea levels and dryer droughts around the world. in the u.s., the world's second largest emitter, key parts of the president's climate plans like a clean energy standard and phasing out fossil fuel subsidies have been facing opposition, who say the measures would kill jobs. kerry disagrees. >> jobs of a different kind will be available. >> how can the u.s. continue to be a world leader on climate change if president biden won't

be able to get the main parts of the agenda passed? >> i think the president will get the climate basis passed eventually. >> will he act outside of congress? >> i think he will do everything he can. >>. >> reporter: and kerry said that the signs hoo like this will be increasingly hard to ignore. >> we have an opportunity to win this battle and so young people are asking the adults to behave like adults and get it done. >> you are have children and grandchildren. we saw the video of your granddaughter sitting on your lap as you signed the paris climate agreement in 2016. should she be worried or hopeful? >> i don't want them to worry. i'm confident that we will get to a low carbon net zero carbon economy, i'm not confident that we will get there in time to avoid the worst damages. so, this is a race against time, and against our own indifference and procrastination, we have to

make it happen. >> kerry and officials from 50 other country cies met to find s to cut emissions. there's sticking points like phasing out coal. >> the overnight news will be right back.

we are thrilled we finally found our dream home in the mountains. the views are great, the air is fresh. (sfx: branches rustle) it is bear country though. hey boo-boo! we hit the jackpot! bear! bear! bear! look, corn on the cob! oohh chicken! don't mind if i do! they're hungry. t-bone! that's what i call a smorgasbord! at least geico makes bundling our home and car insurance easy. they do save us a ton of money. we'll take the cobbler to go! good idea, yogi. i'm smarter than the average bear! they're gone, dad! for bundling made easy, go to geico.com.

there's a group in virginia, helping retired military veterans find new careers down on the farm. i paid a visit to their training center in alexandria. general -- she spent 15 years as a marine and now she focuses on flowers. >> i want healthy flowers. >> reporter: she learned the science and art of farming here in virginia on land once owned by george washington. >> it's exhausting and hot and buggy and it's the most satisfying and the happiest i have been. >> she began three yeerars ago the veteran farmer reserve program that gives veterans an opportunity to decide if farming is for them. for farming, it was a perfec fit. >> it's an incredible program

for veterans transitioning from years of service in to the next career. >> she farms here full time and dreams of one day having a farm of her own. about 125 veterans have learned to farm at arcadia and most, including army veteran marcus has a passion for growing fruits. >> from my left, we have cucumbers and pumpkins, and water melons. tomatoes here. >> what did you feel like that first time you put your fingers in the soil here? >> terrified. >> terrified. >> i had no clue what i was doing or when to do it and how or why for that matter. >> over four years with help from the arcadia fms experts he figured it out. do you think of yourself as a farmer now? >> yes, yes, i'm thinking of

changing my name. farmer marcus. >> pamela hess is director of arcadia farm and helped to create the farmer program, the goal is to give veterans an opportunity to earn a living in a new but surprisingly similar walk of life. >> they can work in all temperatures, they can carry theyreat at long-term planning. they are not freaked out by crisis. farmers and military folks have a similar mind-set when it comes to work. farming is a mission oriented business in the same way that a military mission is. you cannot stop at 5:00. you stop when the mission is done. >> we caught up with hess at arcadia's mobile market. which sells the farm's fresh produce and several unserved neighborhoods in washington, d.c., and neighborhoods don't have are grocery stores, people have a hard time getting their handsl, healthy food. >> government nutrition adapted here and the markets many

regular customers say is the only place in the area with food this the fresh. >> you love kale. >> yes, and you wash it and cut it up and it headline holds. if you make your salad today and freshhe next be area over mere in the apartments who do not have transportation. and they need to have fresh produce. >> the mobile market and double digit growth every year. hess gives the credit to her team of veterans. >> arcadia farm, we can don't just grow food, we grow farmers. >> farmers who after serving the nation have found their next mission. >> the best part of being out here is realizing i can succeed and do things i infer planned to do, and i can do more than i thought i could do. >> allow yourself to see what's possible to see the potential to see what you can do, don't be afraid to don't be afraid to try or fail.

and know that if we are lucky tomorrow's another day. >> and one other thing, this program is not just for veterans. they accept some active duty service members who are trying to get a head sta

after 3,000 years the devil has returned to australia. actually, it's the cuddly tazmanian devil and scientists are helping them come back from the brink of extinction. >> if you grew up watching

cartoons, this may be what you think of when you hear the words tazmanian devil. >> a vicious brute with powerful jaws like a steel trap. >> you may be surprised to learn these are real tazmanian devils. they are called devils because they sound like this. other than that, there's not much of the devil in them. but as a species, their struggle to survive has been so devilish, it will made your head spin. on their name sake island of tazmania, they have almost been wiped out bay rare contagious cancer and on the mainland they disappeared centuries ago now they are being given a second chance. >> they are beautiful. we are so in love with tazmanian devils. >> she is with aussie arc, a group that wants to bring the devil back to the main land. recently they had a major

victory when seven tiny babies or joeys as they call them were discovered in their mother's pouchs where they will remain for a few months. >> we saw those tiny little devils in there and we were so excited. >> she said it's the first time in 3,000 years that tazmanian devils have been born on the australian mainland. but she adds there's still much more work to be done. especially after the devastating bush fires of 2019 and 2020 which killed or displaced about 3 billion wild animals. according to the world wild life fund. >> it makes me realize how unique and special our animals here and that we need to save a our crazy uniquen our own backyard. >>tarting with that crazy and unique tazmanian devil. ♪ ♪ >> and that's the "overnight news" for this wednesday. check back later for cbs this morning and follow us online any time at cbs news.com.

reporting from the nation's capitol, i'm chip reid. it's wednesday, july 28th, 2021. this is the "cbs morning news". cdc reversal. the agency issues new mask guidance affectig millions of americans, and the recommendation that could impact students across the nation. breaking overnight, another olympic stunner. simone biles withdraws from the all-around competition. the latest on america's star gymnast. i was struck with a taser device at the base of my skull numerous times. >> dramatic testimony. officers relive the terrifying moments after a mob stormed

capitol hill on january 6th. their message to lawmakers who are downplaying the incident.