7.1-magnitude earthquake strikes south-central coast of Chile

A 7.1-magnitude earthquake struck the coast of Chile on March 25, 2012 at 22:37 UTC. No widespread tsunami warning. Few reports of injuries at this time.

Most sea level rise due to melting polar ice, study confirms

Researchers report that Earth's polar regions are losing billions of tons of water annually, causing a huge amout of sea level rise.

Historic heat in North America in March 2012

Cities as geographically diverse as Chicago, Des Moines, Myrtle Beach, Atlantic City and New York City all had record historic heat over the past week.

Monarch butterflies numbers down again this year

Reports suggest the number of monarch butterflies will be down almost 30% in 2012 as they make their annual trek from their breeding grounds in Mexico.

Unexplained booms in Alabama, Georgia, Wisconsin

In separate events, unexplained booms shook residents of several states. So far, government activities, earthquakes, and sonic booms are ruled out.

Study: Oil from Deepwater Horizon spill entered Gulf food chain

A new study confirms that oil from the 2010 BP Deepwater Horizon spill made it into the Gulf’s food chain through the tiniest of organisms, zooplankton.

Lee Kuan Yew Water Prize to Mark van Loosdrecht

Mark van Loosdrecht won the Lee Kuan Yew Water Prize for his work in improving the sustainability of wastewater treatment technology.

Venice is still sinking

Studies indicate that Venice is still sinking. New measurements indicate the city continues to sink and is also tilting to the east.

7.4-magnitude earthquake shakes Mexico

A powerful 7.4-magnitude earthquake shook resort towns earlier today, 200 miles south-southeast of Mexico City. Learn more from EarthSky.

Severe flooding across US Great Plains

Severe flooding and record breaking temperatures are all caused by a slow-moving weather system across the central United States.

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