Joshua trees facing extinction

They outlived mammoths and saber-toothed tigers. But without dramatic action to reduce climate change, new research shows Joshua trees won't survive much past this century.

When planting trees threatens the forest

Campaigns to plant huge numbers of trees could backfire, according to a new study that is the first to rigorously analyze the potential effects of subsidies in such schemes.

How to design a forest fit to heal the planet

Reforestation has enormous potential as a cheap and natural way of sucking heat-absorbing carbon dioxide out of the atmosphere and restoring the degraded natural world, while supporting local livelihoods at the same time. ...

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