Samoa flagEnvironment & Sustainability Guide

Air quality, green spaces, and environmental policies in Samoa

Samoa, a small Pacific island nation with a population of 198,410, faces significant environmental challenges from climate change including a 0.59°C mean temperature rise over the past century, decreasing precipitation by 49.28 mm, and rising sea levels exacerbating coastal flooding. Air quality remains stable with limited pollution sources, while sustainability efforts focus on renewable energy and disaster resilience amid vulnerability to cyclones and sea level rise.

Air Quality Index

Good
8.0/10
Stable trend

Samoa's air quality is generally good due to low industrialization and reliance on ocean winds, with database trend stable. Limited data on PM2.5/PM10 shows minimal urban pollution differences from rural areas.

Water Quality

Good
7.5/10

Water quality in Samoa is adequate with government monitoring, though vulnerable to saltwater intrusion from sea level rise affecting freshwater lenses. Access to clean water is high in urban areas but challenged by climate impacts.

Treatment standards meet basic safety; pollution from runoff during heavy rains noted.

Recycling System

Recycling infrastructure in Samoa is developing with community programs focusing on plastics and organics; national rate unavailable but initiatives promote waste reduction amid limited facilities.

Green Spaces

Samoa maintains significant forest cover around 60%, protecting biodiversity and watersheds. Protected areas include national parks and reserves covering substantial land.

Forest Coverage: 60.0%
National Parks: 4
O le Pupu Pue National Park and other reserves safeguard endemic species and ecosystems.

Environmental Policies

Samoa is committed to the Paris Agreement via its NDC, targeting emissions reduction and resilience. Policies include renewable energy promotion and plastic bans.

Key Policies:
  • Nationally Determined Contribution (NDC)
  • Plastic Pollution Control Act
Renewable Energy: Aiming for 100% renewable electricity by 2040 through hydro and solar.

Natural Disaster Risk

HIGH

Samoa faces high risks from cyclones, floods, and tsunamis; early warning systems via Pacific Meteorological services aid preparedness.

cyclonesfloodstsunamisearthquakes
Climate Change Impacts: Over past century, mean temperature rose 0.59°C, precipitation decreased 49.28 mm; sea level rise increased coastal flooding frequency. Projections: rising temperatures, more extreme rain, higher cyclone intensity under La Niña influences (2025-2026). Recent trends show maximum temperatures rising since 1950, with ocean warming 2-3x global average in nearby seas.

Sustainability Initiatives

Renewable Energy

Samoa targets 100% renewable electricity by 2040 via hydro, solar, and biomass; current progress includes expanded solar farms reducing fossil fuel dependence.

Waste Management

National waste strategy promotes recycling and composting; plastic reduction bans enforced to curb marine pollution.

Climate Resilience

Coastal protection and early warning systems enhanced for sea level rise and cyclones.

Wildlife & Nature

Samoan Flying FoxEndangered
Maomao (Samoan Whistler)Vulnerable
Samoan StarlingVulnerable