Frequent Questions

Where can I find information on climate change and the greenhouse effect?

EPA’s Climate Change website (January 19, 2017 snapshot)
Includes sections on the causes of climate change, climate change science, what EPA is doing, what you can do, impacts, and adaptation.

Climate Change Indicators in the United States
EPA partners with more than 40 data contributors from various government agencies, academic institutions, and other organizations to compile a key set of indicators related to the causes and effects of climate change. The indicators are published in EPA's report.

The National Climate Assessment summarizes the impacts of climate change on the United States, now and in the future. A team of more than 300 experts guided by a 60-member Federal Advisory Committee produced the report, which was extensively reviewed by the public and experts, including federal agencies and a panel of the National Academy of Sciences.

Climate Change Research
EPA research improves knowledge of the health and environment effects of climate change and provides sustainable solutions for communities to effectively manage and reduce the impacts of a changing climate.

U.S. Global Change Research Program
The U.S. Global Change Research Program (USGCRP) was established by Presidential Initiative in 1989 and mandated by Congress in the Global Change Research Act (GCRA) of 1990 to “assist the Nation and the world to understand, assess, predict, and respond to human-induced and natural processes of global change.”’s Climate page
Here you can find data related to climate change that can help inform and prepare America’s communities, businesses, and citizens. You can currently find data and resources related to coastal floodingfood resilience, waterecosystem vulnerability, human health, energy infrastructuretransportation and the Arctic region. Over time, you will be able to find additional data and tools relevant to other important climate-related impacts.

In addition, many other federal agencies including HHS, NASA, NOAA, Department of Energy, Department of the Interior, National Parks Service, USDA and USGS have information about climate change on their sites.

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