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.
Warm Pacific temperatures affect everything from sea lions to plankton and are a sign of things to come.
Scientists have mixed opinions about whether stagnant global energy-related CO2 emissions are a trend.
U.S. biodiesel and "green" diesel imports declined in 2014 after setting records in 2013.
Climate change is slated to play a more prominent role in international disaster talks than ever before.
Cities may be ideal for major solar power development, though they're often overlooked, a new study says.
National forests, parks and other public lands play a major role in America's defense against climate change.
Four European Union countries have already surpassed their 2020 clean energy goals.
Caltech scientists think they have made another step toward creating energy from artificial photosynthesis.
Drought in southeast Brazil take its toll on Sao Paulo's largest reservoir system for the third straight year.
Climate change upped the odds of drought in Syria that directly preceded civil unrest and the rise of ISIS.
North Carolina is overtaking California for most utility-scale solar farms being developed.
Ocean acidification is coming for your shellfish, but its impacts will be far from even across the U.S.
Scientists have developed a satellite technique to capture a near real-time view of ocean acidification.
Three party leaders make cross-party declaration to tackle climate change in a rare show of unity.
Combining science with traditional knowledge, researchers turn to ancient rice as a source of climate resilience.
Climate negotiations held in Geneva this week were civil, but it's unclear whether they were helpful.
Climate change and a looming satellite gap pose some of the biggest risks to the U.S. government.
Geoengineering offers solutions and risks but reducing emissions is still the best way to address climate change.