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Geography> [13]
United States
Surface area (square km) (2020)9,831,510
[3/215 countries]
Land area (sq. km) (2020)9,147,420
[3/216 countries]
Agricultural land (% of land area) (2020)44.4%
[82/209 countries]
Forest area (sq. km) (2020)3,097,950
[4/209 countries]
Forest area (% of land area) (2020)33.9%
[96/209 countries]
Coastline (km) (2019)19,924
[9/230 countries]
Population living in areas where elevation is below 5 meters (% of total population) (2015)2.0%
[127/172 countries]
Average yearly temperature (degrees Celsius) (1961-1990)8.6
[159/191 countries]
Average precipitation in depth (mm per year) (2019)715
[112/182 countries]
% of those who think that water shortage is the most important environmental problem for their country (2010)7.6%
[15/36 countries]
% of those who think that water shortage is the most important environmental problem for them and their family (2010)5.8%
[14/36 countries]
% of those who think that using up natural resources is the most important environmental problem for their country (2010)27.7%
[2/36 countries]
% of those who think that using up natural resources is the most important environmental problem for them and their family (2010)12.3%
[2/36 countries]
Biodiversity> [10]
Animals, environment and mankind> [16]
Environment and economy> [23]
Environmental protection> [51]
CO2 and energy> [12]
Energy> [7]
Nuclear and radioactivity> [9]
Environmental pollution> [24]
Waste and cleanness> [6]
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