Melting permafrost increases greenhouse gas from Arctic lakes

Groundwaters that circulate through the subsoil as a result of melting permafrost can transport carbon dioxide and methane to Arctic lakes and in turn be emitted to the atmosphere. This process of transporting greenhouse ...

Lake sediments show decades of coal ash contamination

An analysis of sediments from five North Carolina lakes near coal-burning power plants has found that coal ash pollution of surface waters has been more persistent and widespread than was previously known.

Climate change is making lakes less blue

If global warming persists, blue lakes worldwide are at risk of turning green-brown, according to a new study which presents the first global inventory of lake color. Shifts in lake water color can indicate a loss of ecosystem ...

World's lakes experience excess warming

More than half the world's 117 million lakes experience ice cover for part of the year. But with the rise in global temperatures, the timing of seasonal ice formation and loss are changing at rapid rates. Since 1979, the ...

Keeping bacteria at bay in Hawaiian water bodies

During heavy rains, Hawaii's streams, rivers, and nearshore waters change on microscopic levels. Bacteria in these aquatic systems increase, and some of these bacteria can be harmful to human health. They can cause problems ...

page 19 from 40