terrible smog and air pollution. visibility was down to a few meters. highways and schools were closed. airport was shut down. pedestrians could barely get around. the images are a vivid reminder of the impacts of industrial growth, especially when powered by dirty fuels like coal, which accelerates not only pollution but also climate change. the latest report from the u.n. scientific panel says it is, quote, extremely likely more than a 95% probability that human activity was the dominant cause of the temperature increases of the last few decades. another study published in nature magazine showed that we are on track to reach unprecedented highs of temperature by 2047. findings showed the coldest year in the future would be warmer than the hottest year of the past. so if the science is not really in dispute, why is it so difficult for us to actually do something about it? there s a clever explanation. to understand it, i need to tell
unearth a jackpot. some believe earth shattering deposits of gold and gems lie somewhere in this pristine, majestic, yet unforgiving landscape. but as the earth s temperature increases, melting away eons of glacial activity, newly exposed rock creates prospects for new prospectors. animal planet s ice cold gold spotlights miners, excavators, drillers, and geologists. they re big characters, big personalities. [ bleep ]. there certainly was conflict between us. reporter: josh feldman and his brother jesse left their families and the familiarity of arizona behind to risk their lives in this entirely new landscape at the top of the world. it was bigger than we could have imagined. you can look at it on paper and say, we can cover that. we re strong. we re tough. we re men. and then you get out there, and you realize tough doesn t work in greenland. reporter: mining is a time consuming process anywhere, especially here.
at the president for failing to act or even speak forcefully on climate change. president obama has never presented to the american people the magnitude of the climate crisis, gore writes. he has simply not made the case for action. gore s criticism stings. he s a nobel laureate and environmentalist hero. temperature increases are taking place reporter: who sounded the alarm with his academy award-winning movie. and was a big supporter of candidate barack obama in 2008. yes, we can. ladies and gentlemen, the next president of the united states of america, barack obama. reporter: for gore, there is no more important issue than climate change. and it s not just warming temperatures or melting polar ice caps. gore sees recent floods, tornadoes, and even snow storms as symptoms of man-made climate change. continuing on our current course, he writes, would be suicidal for global civilization. gore blames obama for failing to push for a big climate bill that
at the president for failing to act or even speak forcefully on climate change. president obama has never presented to the american people the magnitude of the climate crisis, gore writes. he has simply not made the case for action. gore s criticism stings. he s a nobel laureate and environmentalist hero. temperature increases are taking place reporter: who sounded the alarm with his academy award-winning movie. and was a big supporter of candidate barack obama in 2008. yes, we can. ladies and gentlemen, the next president of the united states of america, barack obama. reporter: for gore, there is no more important issue than climate change. and it s not just warming temperatures or melting polar ice caps. gore sees recent floods, tornadoes, and even snow storms as symptoms of man-made climate change. continuing on our current course, he writes, would be suicidal for global civilization. gore blames obama for failing to push for a big climate bill that failed last year in