Science & Health
Forests and clusters of trees have been found to adjust their consumption of carbon dioxide in proportion to how much is available in the air. U.K. researchers have discovered the biological mechanism that has stabilized Earth's atmosphere for 24 million years. They are calling the process "weathering".
Background:
Weathering is Directly Proportional to Fall in CO2 Level, Says Researchers [Austrian Tribune]
Ancient forests were thrifty with CO2, study finds [Christian Science Monitor]
