Environment News

Wednesday, April 10, 2013 - 12:43

Many factors — including climate change, overfishing or loss of food supply — can push a wild animal population to the brink of collapse. Ecologists have long sought ways to measure the risk of such a collapse, which could help wildlife and fishery managers take steps to protect endangered populations.

 

Friday, April 5, 2013 - 09:24

Researchers at The Ohio State University retrieved the cores from a Peruvian ice cap in 2003, and then noticed some startling similarities to other ice cores that they had retrieved from Tibet and the Himalayas. Patterns in the chemical composition of certain layers matched up, even though the cores were taken from opposite sides of the planet.

Thursday, April 4, 2013 - 09:12

 A new report by researchers at MIT and elsewhere finds that the global manufacturing sector has made great strides in energy efficiency: The manufacturing of materials such as steel, cement, paper and aluminum has become increasingly streamlined, requiring far less energy than when these processes were first invented.

 

Wednesday, April 3, 2013 - 10:50

 Ecologists are wary of non-native species, but along the shores of Cape Cod where grass-eating crabs have been running amok and destroying the marsh, an invasion of a predatory green crabs has helped turn back the tide in favor of the grass. The counter-intuitive conclusions appear in a new paper in the journal Ecology.

 

Friday, March 29, 2013 - 10:30

New research from North Carolina State University finds that higher temperatures found in urban environments are a key contributor to higher populations of insect pests called scale insects – indicating that an increase in temperatures associated with global climate change could lead to a significant increase in scale insect populations.

 

Wednesday, March 27, 2013 - 09:37

Zooplankton, small fish and squid spend hardly any time at the surface when there's a full moon. To protect themselves from their natural enemies, they hide deeper down in the water on bright nights, coming up to the surface under cover of darkness when there's a new moon instead.