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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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September Arctic Sea Ice 2014's Arctic sea ice minimum isn’t going to be as low as the record set in 2012 but it will be well below the 1981-2010 average

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