climate change

News

Heat-Trapping Gas Passes Milestone, Raising Fears

Published: 
Sun, 05/12/2013 - 11:09am
Category: 
Energy

The level of the most important heat-trapping gas in the atmosphere, carbon dioxide, has passed a long-feared milestone, scientists reported Friday, reaching a concentration not seen on the earth for millions of years.

News

Climate Change's Human Connection Explained

Published: 
Tue, 04/30/2013 - 12:18am
Category: 
Energy

By the mid-1990s, it was possible to investigate the causal mechanisms behind changes in Earth's climate using relatively sophisticated mathematical models of Earth's climate. 

News

Environmental Questions Take Back Seat at Hearing for E.P.A. Nominee

Published: 
Mon, 04/15/2013 - 9:06pm
Category: 
None

Most of the biggest challenges facing the Environmental Protection Agency — climate change, major new regulations on power plant emissions, biofuels production and enforcement of clean air and water laws — were virtually absent from Thursday’s confirmation hearing for President Obama’s nominee to head the agency, Gina McCarthy.

News

The Fossil Fuel Resistance

Published: 
Fri, 04/12/2013 - 11:00pm
Category: 
Energy

It got so hot in Australia in January that the weather service had to add two new colors to its charts. 

News

In Sign of Global Warming, 1,600 Years of Ice in Peru’s Andes Melted in 25 Years

Published: 
Thu, 04/04/2013 - 6:58pm
Category: 
Water

Glacial ice in the Peruvian Andes that took at least 1,600 years to form has melted in just 25 years, scientists reported Thursday, the latest indication that the recent spike in global temperatures has thrown the natural world out of balance.