Two-thirds of Earth's land is on pace to lose water as the climate warms – that's a problem for people, crops and forests

The projected loss of water storage on land as global temperatures rise is especially alarming in the Southern Hemisphere – and in parts of the US.

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climate-change water trees rainforest drought freshwater water-security water-shortage

How city roads trap migrating fish

A recent US study found tyre chemicals were polluting rivers and poisoning migratory salmon.

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fish water-pollution cars rivers roads urban salmon streams freshwater motorways eels urbanisation

Flooding can help resurrect wetlands and slow climate change – here's how

Flooding isn't always destructive – it can be part of our toolkit for restoring ecosystems.

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biodiversity flooding rivers wetlands freshwater natural-climate-solutions floodplains

Invasive species: why Britain can't eat its way out of its crayfish problem

We found that signal crayfish traps tend to catch larger males, letting the bulk of the population go free.

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biodiversity rivers endangered-species freshwater-biology invasive-species crustaceans

Pollutants banned for over 30 years linger in UK rivers – our wildlife is the evidence

The ghosts of our industrial and agricultural past continue to haunt freshwater ecosystems today.

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pollution rivers industrial-pollution freshwater-biology environment-agency freshwater chemical-pollution

Culverts – the major threat to fish you've probably never heard of

Fish need to cross roads too. But the tunnels built to channel rivers under roads and railways can block their migrations.

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biodiversity fish construction dams rivers freshwater-biology roads eels

Microplastics: tiny crustaceans can fragment them into even smaller nanoplastics

The discovery that such a common animal can rapidly produce vast numbers of nanoplastics is particularly worrying.

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microplastics marine-biology freshwater-biology microplastic crustaceans

Database tracks climate change’s toll on fish

A new database will help track the impacts of climate change on fish living in rivers, lakes, and other inland waters throughout the world.

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climate-change fish earth-and-environment freshwater

Insects: worldwide study reveals widespread decline since 1925

The largest study of insect declines to date gives us the best indication of how species all over the world are faring.

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conservation biodiversity insects entomology bugs freshwater-biology insect-decline

Insects: worldwide study reveals general decline since 1925

The largest study of insect declines to date gives us the best indication of how species all over the world are faring.

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conservation biodiversity insects entomology bugs freshwater-biology insect-decline