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US energy carbon dioxide emission down by 3.8%

Last Updated: Tuesday, October 22, 2013, 09:35

The US dropped its emission of carbon dioxide by 3.8 percent last year, the second biggest drop since 1990, US Department of Energy said in a statement.

Reduction in carbon dioxide emission urged for survival of coral reefs

Last Updated: Saturday, June 29, 2013, 21:34

A new study suggests that deep cuts in carbon dioxide emissions are required to prevent coral reefs around the world from dying off.

How carbon gets stored in the Southern Ocean

Last Updated: Monday, July 30, 2012, 17:48

Scientists have shed light on how carbon is drawn down from the surface of the Southern Ocean to the deep waters beneath.

Mexico City closes world`s largest trash dump

Last Updated: Tuesday, December 20, 2011, 11:28

Authorities in the Mexican capital said Monday that concerns about pollution of the air and nearby underground aquifers led them to close a municipal trash dump described as the largest in the world.

Biofuels will worsen CO2 emissions: Study

Last Updated: Monday, October 24, 2011, 17:17

Emphasis on biofuels as an alternative to conventional fuels would increase carbon dioxide (CO2) emissions from forests by 14 percent, researchers said.