|
|
Article: Global warming: an issue that should have been dealt with long ago
- Article from:
- Earth Focus One Planet-One Community
- Article date:
- March 22, 2007
- Author:
CopyrightCOPYRIGHT 2007 Old City Publishing, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
It is the year 2032. We realised that global warming was a problem over fifty years ago. What is global warming, why is it a problem, and what can we do to stop it?
Global warming is, as the name states, the gradual warming of the Earth. Once the light of the sun reaches the Earth, some is reflected and the rest is absorbed. Absorbing this energy makes the Earth hotter, but the Earth also loses this heat energy by radiating the heat into space. This radiation is called infra-red radiation. Every warm object, including human beings, can lose heat in this way.
However, carbon dioxide blocks infra-red radiation, trapping the heat around the Earth. Any ...