The next international climate pact is taking shape, and the U.S. and EU are leading the way.
Global renewables investments increased 17 percent in 2014 as solar and wind costs fell dramatically.
Antarctica's ice shelves are thinning, and at an increasing rate, which bodes ill for potential sea level rise.
2015's annual maximum of winter Arctic sea ice is the lowest in the satellite record.
Climate change blamed for breakdown of currents that circulate heat, nutrients through the Atlantic.
A new WMO report emphasizes the record warmth of 2014 and the need to connect climate and weather.
Scientists have mixed opinions about whether stagnant global energy-related CO2 emissions are a trend.
Pollution from deforestation is slowing down, but degradation is worsening in forests that still remain.
U.S. biodiesel and "green" diesel imports declined in 2014 after setting records in 2013.
Spring in the U.S. looks to be a hangover of winter conditions, though the season is warming overall.
Not every kind of oil is the same in terms of greenhouse gas emissions, a new report says.
2015 may only be two months old, but it's already the warmest first two months of any year on record.
Spring is arriving earlier across the U.S. by an average of three days.
A state-by-state look at how spring is coming earlier, on average, in a warming world.
California and Quebec's cap-and-trade programs have been linked, making climate action cheaper.
States that fail to consider climate change in emergency planning won't qualify for some FEMA grants.
Climate change is slated to play a more prominent role in international disaster talks than ever before.
Desert-friendly cattle that came over with Columbus might be better bovines for the drought-plagued West.
As natural gas booms, renewable energy proponents wonder if it will hurt or help solar power.
The International Energy Agency says global energy-related CO2 emissions were flat in 2014.