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.
No matter the fate of Keystone XL, many other pipelines could transport Canadian tar sands oil to refineries.
Drought and warmer temperatures brought about by climate change affect wildfire spread more than bark beetles.
Research suggests media focuses on doom and gloom of climate change, rarely on possible fixes.
Landsat images reveal the fury of Cyclone Pam and the long road Vanuatu has to recovery.
New maps show the plans of countries to deal with their CO2 emissions ahead of international climate negotiations.
Antarctica's ice shelves are thinning, and at an increasing rate, which bodes ill for potential sea level rise.
Warm Pacific temperatures affect everything from sea lions to plankton and are a sign of things to come.
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.
Carbon absorbed by the rainforest is falling, so greater cuts to emissions are needed, warn scientists.
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.
Arctic sea ice has reached its annual winter peak, which was a record low for the satellite era.
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.