Guam Environment - 2024

Environment - current issues

fresh water scarcity; reef damage; inadequate sewage treatment; extermination of native bird populations by the rapid proliferation of the brown tree snake, an exotic, invasive species

Climate

tropical marine; generally warm and humid, moderated by northeast trade winds; dry season (January to June), rainy season (July to December); little seasonal temperature variation

Land use

agricultural land: 33.4% (2018 est.)

arable land: 1.9% (2018 est.)

permanent crops: 16.7% (2018 est.)

permanent pasture: 14.8% (2018 est.)

forest: 47.9% (2018 est.)

other: 18.7% (2018 est.)

Urbanization

urban population: 95.2% of total population (2022)

rate of urbanization: 0.84% annual rate of change (2020-25 est.)

Revenue from forest resources

0% of GDP (2018 est.)

Revenue from coal

0% of GDP (2018 est.)

Waste and recycling

municipal solid waste generated annually: 141,500 tons (2012 est.)

municipal solid waste recycled annually: 25,258 tons (2011 est.)

percent of municipal solid waste recycled: 17.9% (2011 est.)