The clearest picture yet of coal ash contamination in the United States is emerging, with utilities reporting serious groundwater contamination in at least 22 states.

Britain will get more of its electricity from renewable energy sources than fossil fuels as early as next year, according to a new report from the energy analysts group EnAppSys.

Most consumers’ exposure to toxic methylmercury occurs when they eat fish. 

Decisions farmers make over the spring and summer can dramatically increase greenhouse gas (GHG) emissions later in the winter.  

Over half of the world’s groundwater flows could take over 100 years to respond fully to climate change, new research has revealed.

Populations of coastal cutthroat trout and coastal giant salamanders in the Pacific Northwest show the ability to rebound quickly from drought conditions, new research by Oregon State University suggests.

A study from Indiana University has found that trees influence whether soil can remove or emit gases that cause smog, acid rain and respiratory problems.

The quest for climate scientists to be able to bridge the gap between shorter-term seasonal forecasts and long-term climate projections is ‘coming of age’, a study shows.

Water is becoming a scarce resource in many parts of the world.

A teenager in Northern California has collected more than 50,000 golf balls — weighing some 2.5 tons — from the bottom of the ocean over the past two years.