EPA Climate Change Indicators
57 indicators and 145figures from the EPA's climate monitoring program. Removed from EPA.gov in December 2025.
57 of 57
Alaskan River Ice
Snow and Ice
1896–2024U.S.1 figure
Antarctic Sea Ice
Snow and Ice
1979–2024Polar regions1 figure
Arctic Glaciers
Snow and Ice
1945–2023Polar regions1 figure
Arctic Sea Ice
Snow and Ice
1979–2024Polar regions3 figures
Atmospheric Concentrations of Greenhouse Gases
Greenhouse Gases
~800,000 BCE–2023Global5 figures
Bird Wintering Ranges
Ecosystems
1966–2013North America2 figures
Black Guillemot
Ecosystems
1972–2023U.S.1 figure
Cherry Blossom Bloom Dates in Washington, D.C.
Ecosystems
1921–2024U.S.1 figure
Climate Forcing
Greenhouse Gases
1750–2023Global2 figures
Coastal Flooding
Oceans
1950–2023U.S.2 figures
Coastal Land Loss
Oceans
1996–2011U.S.2 figures
Cold-Related Deaths
Health and Society
1979–2016U.S.1 figure
Drought
Weather and Climate
1895–2023U.S.4 figures
Freeze-Thaw Conditions
Snow and Ice
1979–2023U.S./North America3 figures
Glacier National Park
Snow and Ice
1966–2015U.S.2 figures
Glaciers
Snow and Ice
1952–2023Global/U.S.2 figures
Global Greenhouse Gas Emissions
Greenhouse Gases
1990–2021Global3 figures
Great Lakes Ice Cover
Snow and Ice
1973–2020U.S.3 figures
Great Lakes Water Levels and Temperatures
Ecosystems
1860–2023U.S.2 figures
Growing Degree Days
Health and Society
1948–2023U.S.1 figure
Heat Waves
Weather and Climate
1961–2023U.S.3 figures
Heat-Related Deaths
Health and Society
1979–2022U.S.2 figures
Heat-Related Illnesses
Health and Society
2001–2010U.S.3 figures
Heat-Related Workplace Deaths
Health and Society
1992–2022U.S.1 figure
Heating and Cooling Degree Days
Health and Society
1895–2023U.S.3 figures
Heavy Precipitation
Weather and Climate
1895–2023U.S.2 figures
High and Low Temperatures
Weather and Climate
1910–2024U.S.5 figures
Ice Sheets
Snow and Ice
1992–2023Polar regions1 figure
Lake Ice
Snow and Ice
1840–2019U.S.3 figures
Lake Temperature
Ecosystems
1985–2009North America1 figure
Leaf and Bloom Dates
Ecosystems
1900–2023U.S.4 figures
Length of Growing Season
Health and Society
1895–2023U.S.6 figures
Lyme Disease
Health and Society
1992–2022U.S.3 figures
Marine Heat Waves
Oceans
1982–2023U.S.4 figures
Marine Species Distribution
Ecosystems
1974–2022U.S.4 figures
Ocean Acidity
Oceans
1880–2022Global2 figures
Ocean Heat
Oceans
1955–2023Global2 figures
Permafrost
Snow and Ice
1978–2023U.S.2 figures
Ragweed Pollen Season
Health and Society
1995–2015North America1 figure
Residential Energy Use
Health and Society
1973–2024U.S.2 figures
River Flooding
Weather and Climate
1965–2015U.S.2 figures
Sea Level
Oceans
1880–2023Global/U.S.2 figures
Sea Surface Temperature
Oceans
1880–2023Global2 figures
Seasonal Temperature
Weather and Climate
1896–2023U.S.3 figures
Snow Cover
Snow and Ice
1972–2023North America3 figures
Snowfall
Snow and Ice
1930–2024U.S.2 figures
Snowpack
Snow and Ice
1955–2023U.S.4 figures
Stream Temperature
Ecosystems
1960–2014U.S.1 figure
Streamflow
Ecosystems
1940–2022U.S.5 figures
Temperature and Drought in the Southwest
Weather and Climate
1895–2023U.S.3 figures
Tribal Connection: Snake River Stream Temperature
Ecosystems
1960–2022U.S.1 figure
Tropical Cyclone Activity
Weather and Climate
1878–2022U.S.3 figures
U.S. and Global Precipitation
Weather and Climate
1901–2023U.S./Global3 figures
U.S. and Global Temperature
Weather and Climate
1901–2023U.S./Global3 figures
U.S. Greenhouse Gas Emissions
Greenhouse Gases
1990–2022U.S.3 figures
West Nile Virus
Health and Society
2002–2023U.S.2 figures
Wildfires
Ecosystems
1983–2022U.S.7 figures