American Geophysical Union - Position Statements

Position Statements

On occasion the AGU Council issues position statements on matters affecting public policy that are related to geophysics. These include biological evolution, natural hazards, science education and funding, and climate change. The AGU issued a position statement on climate change in December 2003, and revised and reaffirmed the statement in 2012. The revised statement begins:

The Earth's climate is now clearly out of balance and is warming. Many components of the climate system—including the temperatures of the atmosphere, land and ocean, the extent of sea ice and mountain glaciers, the sea level, the distribution of precipitation, and the length of seasons—are now changing at rates and in patterns that are not natural and are best explained by the increased atmospheric abundances of greenhouse gases and aerosols generated by human activity during the 20th century. —AGU Council

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