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A compendium of science-based information

Climate Change in Cities: Observations, Impacts, and Solutions

Responses of Communities and Ecosystems to Global Changes

Bark beetle outbreaks may influence forest fire risk

The Challenge of Understanding, Monitoring, and Managing the Health of Our Planet

The US federal government has ruled that CO2 is a pollutant

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Corn Ethanol Energy Sources 8 gallons’ worth of the energy in 10 gallons of corn ethanol comes from fossil fuels.

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