A wide variety of plants and animals are likely to become much less common if something isn't done to avert the worst effects of a warming climate, new research suggests. Full story
More than half of Americans think global warming is affecting weather in the United States, according to a new nationally representative survey that measures the pulse of American sentiment on climate change. Full story
Rep. Joe Barton, R-Tx., who made headlines for apologizing to BP after the gulf oil spill, now claims the Bible proves that climate change isn't real.
Caught between a shale rock and a hard place – will President Obama give the go ahead or oppose the project? Michael Brune from The Sierra Club joins Alex Wagner to discuss.
A prosecutor in Ohio is looking to throw the book at forecasting groundhog Punxsutawney Phil for "misrepresentation of spring." But the tongue-in-cheek indictment sheds a more serious light on the actual human beings who should be held accountable for not acting on climate change.
Congressman Rush Holt of New Jersey, a nuclear physicist who beat IBM's computer at Jeopardy, talks with Rachel Maddow about the difficulty of the US addressing the causes and consequences of global climate change when Republicans are so opposed to helping they're actually working against their own
Bill Nye the Science Guy and Independent Women’s Forum’s Sabrina Schaeffer debate the effect that a stronger push to fight climate change has – or does not have – on the economy.
File photo of smoke from a bushfire on the outskirts of Labertouche, 90km east of Melbourne February 7, 2009, after a "once in a century" heatwave sparked dozens of blazes across the country. Scientists are struggling to explain a slowdown in climate change that has exposed gaps in their understand
A map from the federal government's draft report on climate change impacts shows temperature changes over the past 20 years (1991-2011) compared with the 1901-1960 avereage. Red shades indicate increases, while blue shades indicate decreases.
A seal swims by icebergs off the British Antarctic Survey's Rothera base in this January 23, 2009 file photo. Climate change is turning Antarctica's ice into one of the biggest risks for coming centuries. Even a tiny melt could drive up sea levels, affecting cities from New York to Beijing, or natio
Local and international activists march inside a conference center to demand urgent action to address climate change at the UN climate talks in Doha, on December 7, 2012. UN climate negotiators locked horns on the final day of talks in Doha to halt the march of global warming, deeply divided on exte