New maps show the plans of countries to deal with their CO2 emissions ahead of international climate negotiations.
Climate change blamed for breakdown of currents that circulate heat, nutrients through the Atlantic.
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.
Not every kind of oil is the same in terms of greenhouse gas emissions, a new report says.
California and Quebec's cap-and-trade programs have been linked, making climate action cheaper.
Cities may be ideal for major solar power development, though they're often overlooked, a new study says.
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.
A Department of Energy report says the U.S. could get more than a third of its electricity from wind turbines by 2050
Urbanization in southern California is reducing the region's fogginess, further drying the parched state.
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.
Carbon dioxide fertilizes forests, but it also encourages bugs to feast, dissipating the climate benefits.
Caltech scientists think they have made another step toward creating energy from artificial photosynthesis.
The world must make electricity more climate-friendly, or it may not be able to meet its climate goals.
Unprecedented warming is likely in the near future, underscoring the need for adaptation planning.
The Amazon inhales less carbon dioxide during drought years, a major concern as the region dries.