🇬🇧United Kingdom

Environmental lawyers who take governments and corporations to court — and have helped stop or shut down coal plants across Europe.

A UK river charity that built four fish passes to reopen the River Severn to twaite shad after nearly 180 years of exclusion.

A Scotland-based charity trains nearly a thousand citizen scientists a year to track bumblebees and restore the flower-rich habitat they need to survive.

A UK charity rescues unwanted bicycles from British landfill, ships them by the container-load to African partners, and puts low-carbon transport into the hands of rural communities.

Seven community gardens across Essex use hands-in-the-soil horticulture as frontline mental health support for thousands of people a year.

A London charity collects unwanted clothes from over 700 clothing banks and free home pickups, reselling and recycling them to keep fashion out of landfill.

This Highlands charity has grown more than two million native trees to bring Scotland's lost Caledonian pinewood back to life.

UNDO spreads crushed volcanic basalt across farmland so rainfall reactions pull CO2 out of the atmosphere and lock it into stable carbonate minerals for millennia.

Since 2008, the roughly 100 residents of Scotland's Isle of Eigg have collectively owned and run the world's first off-grid community electricity network powered by hydro, wind, and solar.

A fast-growing charity is suing water companies and industrial chicken farms to rescue England's sewage- and slurry-choked rivers.

Neighbours across Britain cut fist-sized holes through garden fences to stitch fragmented city gardens back into a connected habitat for declining hedgehogs.

Four neighbouring landowners in the Scottish Highlands joined a 200-year plan to restore native forest, peatland and rivers across 60,000 hectares.

This Northamptonshire music festival banned single-use plastic, went meat-and-dairy-free and now plants its own woodland every year, proving a multi-day festival can also be a climate project.

Trees for Cities plants and cares for urban trees, edible schoolyards and green infrastructure across UK cities to close the tree-equity gap.

Founded after a paddleboarder documented plastic clogging England's waterways end to end, Planet Patrol turns every paddle, swim or dog walk into citizen-science data that has logged half a million pieces of litter worldwide.

The world's leading seagrass conservation charity, replanting millions of seeds to bring the UK's lost underwater meadows back to life.

An English football club runs its stadium on solar power, feeds fans a vegan menu and became the world's first UN-certified carbon-neutral sports team.

Roughly a tenth of ocean life has ever been described, and the naming has historically taken over a decade per species — so this Oxford outfit built a production line for discovery.