• Critics bemoan diminished role of science in U.S. policy.

• Ecosystem damage costs us trillions each year.

Help Grist raise $25,000 by September 30 to further advance our climate reporting

Solar plane takes off.

Railroads play up their green image.

Grist thanks its sponsors. Become one.

• Germany will cut solar-power subsidies.

Guerrilla gardeners attack!