sensation. welcome in the sky. the world is in such a difficult position. the lake used to go half a mile around the corner mad and go, go kill that thing. good evening. welcome to the whole story. i m anderson cooper. tonight we take you on a journey around the world to meet people fighting against something that can be seen or touched, but his threatening our planet and the way we live more than a trillion tons of carbon gas has been released into our seas and skies over time. it comes from a lot of different sources, but the biggest is burning fossil fuels for electricity, heat and transportation. but tonight, cnn s chief climate correspondent, bill weir, has found some reasons to hope some unique ways innovators are trying to capture contain and reduce carbon emissions. they are climate warriors, and they just may show us how to unscrew a planet. attention humans of earth got good news and bad news. good news is that the combined sweat and brilliance of the 117 billion or
been rejected by governments over time. what s new now? that gives you confidence that people will accept this? so i believe that the idea of only using iron was wrong. volcanic ash contains all the nutrients that we need. a contains nitrates, phosphates , silly cates and iron. and so we plan to literally use volcanic dust as our artificial whale poon. but to recover insufficient numbers. whales will need time. and we are out of time. but sir david thinks we could buy precious years needed for ocean recovery. by making clouds. big puffy white ones to reflect maximum sunlight away from the top of the world. so his team is designing hydrofoil that could sail northern seas unmanned and powered only by the motion of the ocean. he hopes a fleet of these spraying a fine