Natural Gas vs Coal, and what does it mean for the Climate?

Robert Howarth talks with Dan Miller about natural gas (methane) and coal in terms what these fossil energies hold for our climate. Robert Howarth is Professor of Ecology & Environmental Biology at Cornell University. He is an expert on natural gas & methane and their impact on the climate. In this wide-ranging interview, Prof. Howarth…

Melting permafrost releases greenhouse gases

A UN report has warned that carbon dioxide and methane released from melting permafrost could push the climate past a tipping point and dangerously accelerate global warming. Broadcast: 28/11/2012, Reporter: Tony Jones http://www.abc.net.au/lateline/conten… Thawing permafrost may amplify global warming, U.N. reports http://www.latimes.com/news/science/s… Policy Implications of Warming Permafrost http://www.unep.org/pdf/permafrost.pdf