Articles on Ecosystems

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Tower Hill (1855) Eugene von Guerard

Australia has pledged to restore nature. But could we ever bring back lost ecosystems?

From oyster reefs to bandicoot grasslands, many Australian ecosystems no longer exist. Restoring nature is a good goal – but we cannot return to the past.
Brazil’s Marajó Archipelago on the Amazon river delta is the world’s largest tidal island. Roughly the size of Switzerland, its rich biodiversity and landscapes combine Amazon rainforest, mangroves, and freshwater. Dado Photos/Shutterstock

Why safe water is still lacking in the Marajó Archipelago, one of the world’s most water‑abundant regions

Brazil holds 12% of the world’s freshwater reserves and yet growing water insecurity reveals some of the country’s deepest sanitation inequalities, which are particularly relevant to Marajó, its largest coastal island.
With climate change, many forests are risk finding themselves in conditions to which their trees are less well adapted. In light of this, a new idea is gaining ground: assisted migration. (Étienne Delorieux/Unsplash)

Moving forests to save them: Here are the risks and rewards of assisted tree migration

Relocating trees to protect forests struggling with climate change seems promising, but the extreme complexity of ecosystems poses challenges.
A detailed resource for policymakers, lecturers, and the informed public, the One Health Atlas charts the WHO-backed One Health concept, which highlights the interconnectedness of human, animal and environmental health. MAFPHOTOART8/Shutterstock

Delving into One Health’s vision to better protect people, animals and the planet from future health crises

In the wake of the WHO’s One Health summit, a new atlas explores the interdependency between environmental, health and food security issues, and strategies for supporting sustainability and the welfare of all life forms.

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