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

Fences have big effects on land and wildlife around the world that are rarely measured

Millions of miles of fences crisscross the Earth's surface. They divide ecosystems and affect wild species in ways that often are harmful, but are virtually unstudied.

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africa ecology australia infrastructure wildlife livestock us-mexico-border-wall ecosystems roads habitat-fragmentation invasive-species predators us-west fences animal-migration

Why autumn is such a dangerous time for hedgehog mothers – and how to help them

For every kilometre of road in Europe, you're likely to find one dead hedgehog.

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conservation mammals hedgehogs urban-wildlife roads wildlife-corridors traffic

Covid: Car use down as second lockdown takes effect

But the roads are much busier than during the first lockdown, new government figures show.

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road-safety department-for-transport coronavirus-lockdown-measures

Should your accelerator pedal curb your speeding?

The EU proposes fitting all new cars with technology that makes it harder to exceed the speed limit.

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car-industry european-union road-safety

Brexit: Ireland's land bridge to the continent boosts air pollution in the UK

Irish trade with the EU contributes an additional 34 tonnes of toxic nitrogen oxides to air in the UK each year.

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brexit ireland air-pollution uk roads motorways freight eu-trade no-deal-brexit

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

With fewer cars on US streets, now is the time to reinvent roadways and how we use them

City streets were built to accommodate cars, but the COVID-19 pandemic has scrambled our transport needs. Many cities are moving to make streets more people-friendly and less car-centric.

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cars urban-planning transportation roads traffic sustainable-cities postpandemic-future traffic-jam city-planning bicycles hoverboards

How your car sheds microplastics into the ocean thousands of miles away

New research reveals how roads channel microplastics from car tires and brake pads to remote ocean habitats.

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cars microplastics plastic-pollution roads ocean-plastic

How bird life may be affected by roads – and what to do about it

My research into Britain's birds found 77% of species varied in abundance around roads.

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birds wildlife-conservation roads