right now we are addressing climate change and the u.n. panel came out with an assessment report. it's a very grim story. they want to put benchmarks and move to renewable energy economy and we are stalled. what we need to realize here and this is what i say in the book "the zero marginal cost society." the zero marginal cost is the most sustainable framework you can have for an economy because it means we are producing with a minimum input of materials energy and labor so we can produce with a minimum use up our stuff. for example if you are car sharing and taking 15 cars off the road for every car share that's a reduction in co2 emissions in the huge amount of material that goes in the car. millions of people are sharing their clothing that means instead of lying more clothing which uses a lot of resources and emits a lot of opal warming gases more people are sharing viewer or if people are airbnb sharing their existing domiciles that same admission of co2 and less resources being used. i think perfectly sustainable economy as a zero sustainable cost society. in terms of incenti

right now the u.n. panel came out with his fist assessment. governments don't want to set carbon targets. they don't want to benchmark stood up to renewable energy economy and we are stalled. but we need to realize here is what i said in the book, zero marginal cost is the most efficient, sustainable framework you can have because it means we are producing the minimum input of materials, energy, labor. so we can produce at the minimum use of our staff. for example, if you are car sharing and you take 15 cars off the road, that is the reduction in co2 emissions in a huge amount of material. if millions of people share their close on other networks, that means instead of buying more clothes, which uses a lot of resources, more people share fewer costs or if people are sharing their existing domiciles rather than as a new hotels, that is an emission of co2 and less resource is used. a perfectly sustainable economy is zero marginal cost society. in terms of incentive, economists have argued should not use incentives. there's a whole younger genera

u.n. secretary general ananne . it's a high level panelexperts that were put together in that commission. they are saying that criminalizing drug users doesn't work. especially in a region where are the judicial system is pretty weak. prisons are crowded and some of the drug users that are being arrested are waiting for trials or to see courts for months if not years sometimes. there is a problem. it is recognized it is not news that west africa is useded as a transit road for cocaine en route to iraq. they are saying the consumption of drugs and especially hard drugs is increasing in the the region. that should be addressed as a public health issue rather than a criminal issue. it says drug users should be helped. the focus is on the traffickers and accomplices. but the drug users shouldn't be punished. they should be helped and treated for addiction. >> do we have any idea of the numbers of users of cannabis in west africa? how big is the problem? you say it's growing obviously. >> when it comes to cannabis, the consumption is a little b

you know, when i first came into the u.n., i first came in with the putin investigation with the welker panel and was tasked with my group leading the investigation of the secretary-general at the time and his son, and the committee was an independent entity which was not bound by the rules of the u.n. and was able to do a little bit more of an independent investigation, i think, had an opportunity to be a little bit more accurate, thorough, and relevant. after that when i became chairman of the task force, it was an offshoot and it was within -- excuse me. we operated within the u.n. system and the u.n. rules and oios' rules and the dynamic changed considerably. and what we saw develop was -- if you didn't know any better, you thought the world was upside down because the investigator became the subject, and the subject became the victim. in so many cases, in one case we proved very clearly that a procurement official had steered over $100 million in contracts to a telecommunications firm that hailed from the same country that he was from. the case was pretty well done. the evidence was very

u.n. court to submit evidence in support of its claims by december. >>> leaders in beijing are also at odds with their counterparts in tokyo. members of the a private panel from the two nations are discussing how to improve relations. the two-day meeting began on thursday in nagasaki, western japan. the new japan-china friendship committee for the 21st century was scheduled to meet in 2012. but the talks were postponed due to strained relations between the two countries. the 14 participants are trying to find ways to improve bilateral cooperation. they include the president of japan post holdings, taizo nishimuro and former chinese foreign among minister tang. it's not limited to the government level. he worned that people in both countries are beginning to harbor ill feelings toward each other. >> translator: we should break the cycle of mutual distrust and open a path to improved relations. >> tang criticized japanese leaders' positions over historical issues and islands in the east china sea when he indicated they could work together for the future. >> translator: our bilateral relations have faced difficulties. but such tensions are temporary. >> nis

you know, when i first came into the u.n., i first came in with the putin investigation with the welker panel and was tasked with my group leading the investigation of the secretary-general at the time and his son, and the committee was an independent entity which was not bound by the rules of the u.n. and was able to do a little bit more of an independent investigation, i think, had an opportunity to be a little bit more accurate, thorough, and relevant. after that when i became chairman of the task force, it was an offshoot and it was within -- excuse me. we operated within the u.n. system and the u.n. rules and oios' rules and the dynamic changed considerably. was -- we saw develop if you didn't know any better, you thought the world was upside down because the investigator became the subject , and the subject became the victim. and so many cases, in one case e proved very clearly that a procurement official had steered over $100 million in contracts to a telecommunications firm that hailed from the same country that he was from. the case was pretty well done. the evidence was very solid.

u.n. force. the hunt for joseph kony has already taken years. and stabilizing the rest of the country won't be quick either. malcolm webb, central african republic. >> the trial of oscar pistorius, panel concluded he was not suffering from a mental ill whrns he killed his girlfriend last year. pistorius said he mistook steenkamp for an intruder. >>> facing a courts martial on bribery charges. highest ranking official to go on so far on a government corruption charges. are. >>> argentina could miss a payment to creditors that risk sending the company into a -- country into a second default in 13 years. the government is refusing to enter into negotiations over the debt. a u.s. judge recently ordered it to pay $1.5 billion interest to investors who helped restructure that debt. a payment due by the end of business on monday. argentina has already paid $539 million to a u.s. bank which holds some of the country answer restructured debt. but the u.s. court said that contravenes a ruling that argentina can't pay holders of its restructured debt without also paying everyone else it owes. the government said it would default to a tune of $93 billion if it was forced to repay all creditors si

u.n., says russia is an arsennist pretending to be a fire inspector. >> did the u.s. pay too steep a price for the return of sergeant bowe bergdahl. we'll talk about it with our panel here in new york when "special report" continues. on my count. the one where you step up and save the day? make it happen. (crowd) oh no... introducing verizon xlte. hey guys, i got it right here! we've doubled our 4g lte bandwidth in cities coast to coast. so take on more. with xlte. for best results, use verizon. >> evan forgotten by his country because the united states of america does not ever leave our men and women in uniform behind. >> he's going to be safely reunited with his family. he serve the united states with honor and distinction. >> i think he owes us, both the men that he left behind that night, the men and women who were involved in the search for him, and most importantly, bret, the mothers of those soldiers that didn't come home this weekend. they deserve answers. >> well, the controversy continues over the trade, essentially of five gitmo detainees for sergeant bowe bergdahl and now that controversy is heating up as more members of his unit in afghanistan are pipi