amy: joining us here in new york is climate justice activist tim dechristopher who spoke out at tuesday'sly. dechristopher spent 21 months in federal custody after he was does he disrupted the bush administration's last-minute move to auction off oil and gas exploitation rights in utah by posing as a bidder at an auction in 2008. tim dechristopher, welcome back to democracy now! talk about this rally this week and what is happening. -- theink it was a major launch of a major campaign to completely and if also feel leasing on federal lands which would keep about 450 gigatons of carbon in the ground. obviously, there's a lot that has been released that is not been yet developed, about 40 gigatons already in the control of the fossil fuel industry so there is a lot there that we can continue to develop that we should stop issuing new leases with -- was the demand. and to put those numbers in context, obama's clean power plan, if it worked perfectly, would reduce emissions by about five gigatons by 2030. so there's another 450 gigons that to be kept in the ground by ending fossil fuel leasing

among the calls' signatories are climate activist tim dechristopher, renown environmentalist bill mckibben, indigenous activist winona laduke, environmental lawyer robert f kennedy, junior. a number of groups also joined the call, including the united auto workers union, unitarian universalist association, physicians for social responsibility, the indigenous environmental network, 350.org . more than 67 million acres of public land and ocean are already leased to the fossil fuel industry. the coalition says that declaring unleased oil, gas and coal on public lands as "unburnable" would accomplish more in the global fight against climate change than any other single action taken by the obama administration. meanwhile, in canada, a group of more than 100 leading activist, writers, musicians have released a wide-ranging call for economic and environmental change to address "the deepest crisis in recent memory" -- i'm a change. the leap manifesto calls for to build energy efficient homes, ending fossil feel subsidies, and cutting of a terry spending. signatories include musicians neil young, l

among the calls' signatories are climate activist tim dechristopher, renown environmentalist bill mckibben, indigenous activist winona laduke, environmental lawyer robert f kennedy, junior. a number of groups also joined the call, including the united auto workers union, unitarian universalist association, physicians for social responsibility, the indigenous environmental network, 350.org . more than 67 million acres of public land and ocean are already leased to the fossil fuel industry. the coalition says that declaring unleased oil, gas and coal on public lands as "unburnable" would accomplish more in the global fight against climate change than any other single action taken by the obama administration. meanwhile, in canada, a group of more than 100 leading activist, writers, musicians have released a wide-ranging call for economic and environmental change to address "the deepest crisis in recent memory" -- i'm a change. the leap manifesto calls for to build energy efficient homes, ending fossil feel subsidies, and cutting of a terry spending. signatories include musicians neil young, l