Oregon coal terminal permit denial points to uncertainty about how coal exports greenhouse gas emissions.
Neighbors who complain about the health effects of wind farms almost always lose in court.
There's a lot scientists don't know about how bike sharing programs encourage less driving.
NASA's newest satellite sent back it first data and it looks like all systems are running smoothly.
New study says the State Department may have greatly underestimated Keystone XL's CO2 emissions.
Researchers say the demand for flights needs to drop to counteract the effects of growing carbon emissions.
For Canada, the tar sands' future hinges on the economic opportunity to bring oil reserves to market.
A new mapping tool shows how floods could drown some of the nation’s most critical power plants.
Analysis and interactive explore how beneficial converting U.S. power from coal to natural gas could be.
Capturing CO2 from coal power plants and using it to produce crude oil could help the climate, experts say.
The nuclear power industry is on the decline worldwide as costs rise and reactors age, a new report says.
The cost of delayed action on climate change could spike if no action is taken, the White House says.
Transportation could be both a cause and a casualty of climate change, according to a new report.
Find out what you missed in climate news this week in our 6 Degrees weekly roundup.
The climate costs of carbon emissions from any new fossil fuel project on public land will have to be calculated.
The U.S. scored 13th in global energy efficiency ranking, or near the bottom of the world's 16 largest economies.
Renewables revolution over the next decade may exist in how power is managed, not in new technology.
A new China-U.S. agreement looks like giving much-needed stimulus to development of the technology.
Extreme weather dominates the top climate stories that happened this week and there's a quiz too.
Though renewables have advanced since they were invented, it might surprise how long they've been around.