‘Half the tree of life’: ecologists’ horror as nature reserves are emptied of insects

https://www.theguardian.com/environment/2025/jun/03/climate-species-collapse-ecology-insects-nature-reserves-aoe

3 Jun 2025 09.00 CEST

A new point in history has been reached, entomologists say, as climate-led species’ collapse moves up the food chain even in supposedly protected regions free of pesticides

Daniel Janzen only began watching the insects – truly watching them – when his ribcage was shattered. Nearly half a century ago, the young ecologist had been out documenting fruit crops in a dense stretch of Costa Rican forest when he fell in a ravine, landing on his back. The long lens of his camera punched up through three ribs, snapping the bones into his thorax.

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