Global Warming

News

A Change in Temperature

Published: 
Wed, 05/22/2013 - 9:13pm
Category: 
Energy

Since 1896, scientists have been trying to answer a deceptively simple question: What will happen to the temperature of the earth if the amount of carbon dioxide in the atmosphere doubles?

News

We've Hit the Carbon Level We Were Warned About. Here's What That Means.

Published: 
Mon, 05/13/2013 - 11:36pm
Category: 
Energy

Over the last couple weeks, scientists and environmentalists have been keeping a particularly close eye on the Hawaii-based monitoring station that tracks how much carbon dioxide is in the atmosphere, as the count tiptoed closer to a record-smashing 400 parts per million. 

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

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.