Material Chemistry:Alternative Power
The production and use of fossil fuels based energy account for 95% of all air pollution， and 50 billion US health cost annually. Greenhouse gases generated by power plant and other industrial facilities also are seen as one of the chief criminals causing global warming. But experts believe that a major change has been taken place in the 21st century involving cleaner， more environmental friendly resources of renewable energy.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/16 13:58:09