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Copenhagen Diagnosis

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Copenhagen Diagnosis

The Copenhagen Diagnosis is a major climate change report released on November 24, 2009. Key findings in the report include that climate-related changes are happening faster than scientists expected only a few years ago and that the average scientific projection for sea level rise has increased sharply.

Mountain Snowmelt and Fire

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Mountain Snowmelt and Fire

In recent decades in the American West, wildfires have burned about 17 times more land in years with early snowmelt than with late.

Early vs. Late Snowmelt

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Early vs. Late Snowmelt

Satellite-derived images comparing the first full week of April in years with early (2002) vs. late (2008) snowmelt.

Acres Burned in Washington

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Acres Burned in Washington

Wildfires in Washington State have increased significantly in recent years, a shift that appears linked to climate change.

Tripod Fire Satellite View

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Tripod Fire Satellite View

The August 2006 Tripod Complex Fire burned some 180,000 acres of beetle-damaged forest in central Washington State.

Arctic Sea Ice: Heat Shield

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Arctic Sea Ice: Heat Shield

Arctic sea ice acts like a heat shield, reflecting most of the sun’s energy. As the ice has melted back, it reflects less, and the planet is absorbing more heat.

Nationwide: August Days over 95 Degrees

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Nationwide: August Days over 95 Degrees

Present vs. projected August days over 95 degrees Fahrenheit

Nationwide: August Days over 90 Degrees

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Nationwide: August Days over 90 Degrees

Present vs. projected August days over 90 degrees Fahrenheit