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MNN.COM > Eco-Glossary

Global Warming

 
Global warming is an average increase in the temperature of the atmosphere near the Earth's surface and in the troposphere, which can contribute to changes in global climate patterns. Global warming can occur from a variety of causes, both natural and human induced. In common usage, "global warming" often refers to the warming that can occur as a result of increased emissions of greenhouse gases from human activities.
 
The term "climate change" is often used interchangeably with the term "global warming," but according to the National Academy of Sciences, "the phrase 'climate change' is growing in preferred use to 'global warming' because it helps convey that there are [other] changes in addition to rising temperatures." (Source: EPA / Photo: Flickr)

Recent Stories


Are phytoplankton blooms the silver bullet for climate change?

Wed, Mar 17 2010 at 12:36 PM EST

Seeding the oceans with iron to encourage phytoplankton blooms may help reduce carbon dioxide levels, but a new study suggests the costs may outweigh the benefits.


British ads banned over climate change claims

Tue, Mar 16 2010 at 10:34 PM EST

Government-commissioned ads exaggerated risk, watchdog says.


Once submerged, a town rises again

Video: The worst drought to hit Venezuela in decades reveals an Andean town once submerged under water. Msnbc.com's Dara Brown reports.


The secret role of clouds in climate change

Mon, Mar 15 2010 at 1:53 PM EST

Scientists have begun to unlock the confusing role that clouds play in climate change.


Australia's temperature is rising

Mon, Mar 15 2010 at 6:20 AM EST

Top scientific organization says temps have risen about 0.7 degrees Celsius in the last 50 years.


Starving sea lion pups wash up on California beaches

Mon, Mar 15 2010 at 1:40 AM EST

Main prey sources, squid and fish, are made scarce by increasing ocean temperatures, experts say.


Unholy alliance: green NGO's buddy up with big corporations

Thu, Mar 11 2010 at 5:41 PM EST

Nature Conservancy, Conservation International, WWF, Sierra Club -- are the biggest environmental NGO's losing credibility by receiving funds from major corporations?


'Age of Mammals' exhibit to highlight climate change

Wed, Mar 10 2010 at 11:25 AM EST

New exhibit at the National History Museum of Los Angeles will explore evolution and environmental change.


New vending machines stay cool without warming the planet

Wed, Mar 10 2010 at 8:46 AM EST

Coke, Pepsi, Ben & Jerry's and GE are phasing out the use of ozone-depleting refrigerants, turning instead to carbon dioxide and hydrocarbons.


NASA's Warming World in hi-def

Tue, Mar 09 2010 at 9:45 PM EST

NASA launches A Warming World website with amazing animated satellite imagery in hi-definition.


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