Greenland's pronounced glacier retreat not irreversible

In recent decades, the combined forces of climate warming and short-term variability have forced the massive glaciers that blanket Greenland into retreat, with some scientists worrying that deglaciation could become irreversible. ...

New 'shieldcroc' species of ancient crocodile discovered

A University of Missouri researcher has identified a new species of prehistoric crocodile. The extinct creature, nicknamed "Shieldcroc" due to a thick-skinned shield on its head, is an ancestor of today's crocodiles. Its ...

Much irrigation water comes from non-sustainable sources

Some of the water used worldwide for irrigation comes from renewable sources such as local precipitation, rivers, lakes, and renewable groundwater. But some comes from nonrenewable groundwater sources.

Brazil's Petrobras reports another oil spill

Brazil's state-run energy giant Petrobras on Tuesday reported that 160 barrels of crude oil may have spilled from a deep-water well off Sao Paulo state but said the situation was under control.

Geological evidence for past earthquakes in Tokyo region

In 1923, a magnitude 7.9 earthquake devastated the Tokyo area, resulting in more than 100,000 deaths. About 200 years earlier, in 1703, a magnitude 8.2 earthquake struck the same region, causing more than 10,000 deaths.

Sandia tool determines value of solar photovoltaic power systems

Consistent appraisals of homes and businesses outfitted with photovoltaic (PV) installations are a real challenge for the nation’s real estate industry, but a new tool developed by Sandia National Laboratories and Solar ...

Fine, jagged ash increased Eyjafjallajokull volcano's influence

The 2010 eruption of Eyjafjallajökull volcano was not a large event. Over months of volcanic activity the ash plume never pushed above 10 kilometers (6.2 miles), and the mass flows peaked at 1 million kilograms per second ...

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