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A new EPA report brings together data from multiple public and peer-reviewed datasets to show observed changes over time in 26 indicators of climate change – including measures of greenhouse gases, high and low temperatures, heavy rainfall, snowfall, pollen season and sea level rise.

A new sea level rise scenarios report was released today by NOAA's Climate Program Office in collaboration with twelve contributing authors from ten different federal and academic science institutions.

Rates of sea level rise are increasing three-to-four times faster along portions of the U.S. Atlantic Coast than globally, according to a new U.S. Geological Survey report published in Nature Climate Change.

A new NASA study shows that the average thickness of sea ice in the Arctic is on the decline.

A new study concludes that the current rate of ocean acidification is higher than at any time in at least the last 300 million years and attributes this ecosystem-threatening change to the huge quantities of carbon dioxide being released into the atmosphere from fossil-fuel burning and deforestation.

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Climate Change Indicators in the United States

Global Sea Level Rise Scenarios for the United States National Climate Assessment

Sea Level Rise Accelerating in U.S. Atlantic Coast

NASA Study Shows Arctic is on Thin Ice

Study Finds Ocean Acidification Rate is Highest in 300 Million Years, CO2 is Culprit