Oregon coal terminal permit denial points to uncertainty about how coal exports greenhouse gas emissions.
There's a lot scientists don't know about how bike sharing programs encourage less driving.
A new study says growing acidification off Alaska’s waters threatens the state’s whole economy.
New research shows that forest ecosystems are particularly vulnerable to rapid changes in the climate.
NASA's newest satellite sent back it first data and it looks like all systems are running smoothly.
A roundup of coverage on the most extensive and intense drought to hit the U.S. since at least 1956.
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.
Tropical forests managed by local communities have the potential to sequester huge amounts of carbon.
Analysis and interactive explore how beneficial converting U.S. power from coal to natural gas could be.
Review of top climate news, from the state of Arctic summer sea ice melt to the cost of delayed action on climate.
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.
Roadside shrubbery & grass soak up a lot of carbon; with better management it could soak up more.
Automatic sensors will allow scientists to conduct a monitoring program to determine summer sea ice melt.
Scientists say they have found a way to feed billions of people, while reducing environmental stresses.
Find out what you missed in climate news this week in our 6 Degrees weekly roundup.