How Might Global Climate Change Affect Life on Earth?
ESU501  Human Influence on Global Climate Change

Evidence that human activities influence the global climate system continues to accumulate. Data indicate that Earth's surface temperature is rising. This increase can be attributed, in part, to human-caused increases in greenhouse gases such as carbon dioxide. It is becoming apparent that these climatic changes are negatively affecting physical and biological systems worldwide.

Carbon dioxide and other pollutants result from the burning of coal to produce electricity.
Warren Gretz, NREL
Electricity generated at power plants is carried by power lines to users, sometimes hundreds of miles away.
Warren Gretz, NREL
The burning of gasoline by automobiles releases carbon dioxide and other types of air pollution that contribute to global climate change.
Dr. Edwin P. Ewing, Jr.,CDC
Pollution created by human activities is particularly evident around the world's largest cities.


 Step:   1   2   3   4   5   6   7   8