Ecosystems

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Vibrant coral reef with colorful tropical fish

endangeredecosystem

Tropical Oceans

Coral Reef

A quarter of all marine life, in 1% of the ocean.

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endangeredecosystem

Pacific Northwest

Old-Growth Forest

Centuries of accumulated life.

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endangeredecosystem

Central North America

Tallgrass Prairie

The most endangered ecosystem in North America.

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Rocky Pacific coastline with tide pools at low tide

vulnerableecosystem

Rocky Coastlines

Intertidal Zone

Life at the edge of two worlds.

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Aerial view of the Amazon rainforest canopy stretching to the horizon

vulnerableecosystem

South America

Amazon Rainforest

Ten percent of all species on Earth. One ecosystem.

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Vast Arctic tundra landscape under a wide open sky

vulnerableecosystem

Arctic Circle

Arctic Tundra

The permafrost is thawing. The consequences are global.

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A freshwater marsh at sunrise with birds and reeds

endangeredecosystem

Global

Freshwater Wetlands

The most productive ecosystems on Earth. The most destroyed.

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Sunlight streaming through a towering kelp forest underwater

vulnerableecosystem

Temperate Coastlines

Kelp Forest

An underwater cathedral. Disappearing in warm water.

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A boreal forest of spruce and pine in winter snow

vulnerableecosystem

Canada, Russia & Scandinavia

Boreal Forest

The world's largest land ecosystem. Largely unknown.

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African savanna at golden hour with acacia trees and wildlife

vulnerableecosystem

Sub-Saharan Africa

African Savanna

The stage for the greatest wildlife spectacle on Earth.

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A high alpine meadow full of wildflowers with mountain peaks behind

vulnerableecosystem

Mountain Ranges Worldwide

Alpine Meadow

The highest gardens on Earth. Shrinking upward.

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Mojave Desert landscape with Joshua trees under a wide open sky

vulnerableecosystem

California, Nevada, Utah & Arizona, USA

Mojave Desert

The hottest, driest desert in North America — and one of its most biodiverse.

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Bioluminescent creatures in the dark deep ocean

vulnerableecosystem

Global Oceans

Deep Ocean

The largest habitat on Earth. The least explored.

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Shallow vernal pool in spring woodland with reflections of bare trees

vulnerableecosystem

Eastern & Western North America

Vernal Pools & Seasonal Wetlands

Temporary pools that fill in winter and vanish by summer — and the extraordinary life that depends on them.

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California grassland with native bunchgrasses and wildflowers under open sky

endangeredecosystem

California, USA

California Grasslands

One of the most altered ecosystems in North America — and still home to species found nowhere else.

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Sonoran Desert landscape with saguaro cacti at sunset in Arizona

vulnerableecosystem

Arizona, California & Mexico

Sonoran Desert

The most biologically diverse desert in North America — and home to the saguaro.

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Intention Founder

Is your One Simple Thing not listed here?

Suggest a real amphibian, bird, ecosystem, insect, issue, mammal, plant, reptile, sealife, or watershed for the catalogue. If it passes review, you become its Intention Founder — the first person in the community to champion it.

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