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Environment & Sustainability Guide · Guam

Environment & Sustainability Guide in Guam

Air quality, green spaces, and environmental policies

Guam, a U.S. territory in the Western Pacific, experiences stable air quality amid tropical climate challenges. Climate change drives sea level rise of 7-10 mm/year and more intense typhoons, threatening coastal infrastructure and biodiversity. Environmental protection includes marine preserves, but data gaps exist in recycling and renewables. High natural disaster risk from typhoons, earthquakes, and tsunamis necessitates robust preparedness.

Air Quality Index

0510

Good

7.5/10(AQI: N/A)

Stable trend

Guam's air quality remains stable per 6-month trends, with no current AQI or PM data available. Limited industrial activity and trade winds help maintain good conditions, though occasional dust and vehicle emissions occur. No major pollution episodes reported recently.

Water Quality

0510

Good

7.8/10

Guam's public water supply meets U.S. Safe Drinking Water Act standards, treated by the Guam Waterworks Authority. Groundwater contamination from past military sites poses risks, but monitoring ensures safety. Access to clean water is near 100% for population centers.

Safe for consumption after treatment; occasional boil advisories during typhoons.

Recycling System

Guam has basic recycling infrastructure through the Department of Public Works, focusing on aluminum cans, plastics #1-2, paper, and glass at designated centers. Rates are low due to limited facilities and high shipping costs; landfill diversion efforts ongoing.

Recycling Rate: —%

aluminumplastic 1-2paperglass

Green Spaces

Guam features 48% forest and woodland cover, with protected areas like the Guam National Wildlife Refuge and Ritidian Point Unit protecting limestone forests and marine ecosystems. Five marine preserves cover 25 square miles.

Forest Coverage: 48.0%

National Parks: 0

Key sites include Fena Valley Reservoir watershed and Pati Point Marine Preserve.

Environmental Policies

Guam adheres to U.S. federal environmental laws via EPA Region 9 oversight. Local policies include the Guam Environmental Protection Agency regulations on waste and water. Part of U.S. Paris Agreement commitments.

Key Policies:

•Clean Air Act Enforcement
•Marine Preserve Network
•Brown Tree Snake Control

Renewable Energy: Guam Energy Office targets 30% renewables by 2030 via solar and waste-to-energy.

Natural Disaster Risk

HIGH

Guam faces high risks from typhoons, earthquakes, tsunamis, and landslides. Located on Pacific Ring of Fire and typhoon belt.

typhoonsearthquakestsunamislandslides

Climate Change Impacts: Temperatures rose 0.9°C from 1970-2020; sea level rise 7-10 mm/year threatens 90% of infrastructure. Typhoon intensity increased, with Super Typhoon Mawar (May 2023) causing $100M damage. Precipitation variability up 15%, flooding frequency doubled since 1990s per NOAA data.

Sustainability Initiatives

Renewable Energy

Guam Utility Board advances solar PV installations and waste-to-energy plant operational since 2017, aiming for 30% renewable mix by 2030 to reduce diesel dependence.

Waste Management

Layon Landfill modernization and recycling expansion target 20% diversion by 2025; electronics and tire recycling programs active.

Marine Conservation

Five marine preserves protect reefs; no-take zones enhance fish stocks and tourism sustainability.

Wildlife & Nature

Guam RailEndangered

Micronesian Kingfisher GuamCritically Endangered

Green Sea TurtleEndangered

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