Although the science is getting cold, the conversation about climate change was warmed over by President Obama on Thursday. On Thoughts from Kansas, Josh Rosenau says “This is a welcome change from the complete silence of the last few years, but falls well short of what the American people and the world deserve.” Rosenau argues that with scientific consensus long established, an attempt at policy is overdue. California, the economic canary in a coal mine, just enacted a cap-and-trade system designed to curb carbon emissions. Meanwhile, climate change denialists strive to maintain a false equivalency. Taking issue with an article in New Scientist, Greg Laden writes “The idea that the effects of global warming are something of the future is a standard denialist lie.” In fact, Greg argues, global warming has been progressing incrementally since we first began “the wholesale burning of coal.” And on Stoat, William M. Connolley explains the buildup of ice in parts of Antarctica as a product of wind, not frigidity.