Gardening in a time of climate change
There is too much carbon in the atmosphere. What if one of the most compelling responses is to restore the carbon in the ground beneath our feet?
Imagine a tax increase that makes sense to liberals and conservatives, the Chamber of Commerce and unions, truckers and environmentalists.
CO2 and the extinction of species
Long ago, another atmospheric shift took place. It shows how different the earth's environments have been—and how different they may become.