Back in 2019. We published a paper in Science. It was bold. Bombastic, really. We claimed natural forest restoration was the best climate change solution on the table.
A colleague from WWF warned me it was career suicide. People would riot, he said. You can’t fix the climate by just growing trees while burning coal. Cut emissions. That’s the job. Restoration handles maybe 30% of the carbon drawdown.
I agree. Still do. But we weren’t just talking about CO2 tons. We were talking about people.
When a solution helps local livelihoods and human wellbeing, the effect magnifies. It sticks.
Most of us expect tech fixes. Geoengineering. Economic overhaul. Big, shiny innovations. They all come with heavy costs. Every tech solution eats something else up.
Stratospheric aerosol injection? It blocks the sun to cool the earth. It also screws with rain patterns and crop growth. You cool the planet. You starve the harvest.
Direct air carbon capture is impressive. Potentially. The price tag and energy cost make scaling it impossible right now.
There is one option that doesn’t trade off. If you do it right. Restoring habitats works because it uses the same network that allowed life to start.
The trick is feedback loops. Ancient forces.
A positive loop amplifies itself. Your anxiety keeps you awake, which makes you more anxious, which keeps you up longer. Same in nature.
About 4 billion years ago. Life found a way on a toxic rock. It changed the environment to suit more life. New species opened doors for others. A self-reinforcing cycle built an Eden. It gave us oxygen, timber, medicine. Everything.
We broke it.
Our success started new loops. Bad ones. Resource exploitation fuels population growth, which fuels more exploitation, warming the planet. Carbon leaves the soil. More warming. Drying forests can’t hold moisture, so they dry out further. These loops are spinning fast now. Threatening a total flip in Earth’s state.
But loops aren’t evil. They are just momentum. You can steer them.
Look at Argentina’s Iberá National Park. Runaway revival.
Decades of ruin. Then they brought back jaguars. The jaguars cowed the grazing herds. The grasses and wetland plants recovered. Roots trapped water. Branches invited birds and bugs back. Caimans basking. Scarlet macaws. Giant otters in the water. Just a few years in. A massive carbon sink returning from dead ground.
It isn’t always this pretty.
Monocultural tree plantations ruin native biodiversity while promising carbon credits. Draining peatlands to stop methane often releases a tsunami of CO2. You try to simplify nature? Nature breaks. It’s complex for a reason.
The key variable? People.
When locals see their lives improve, the protection lasts. Intrinsic motivation creates a human part of the loop.
In Iberá, ecotourism fueled a restoration economy. Rangers. Chefs. Guides. They had a stake in the jungle.
Saseri in northern India. Strategic soil and tree work trapped water for 1,200+ farmers.
Gujarat, far to the south-west. Indigenous women restoring mangroves. Protected twelve coastal villages from erosion. Boosted fisheries. Boosted crops. Boosted livestock.
What does this prove?
We don’t need miraculous tech. We don’t need everyone to go live in a cabin.
We need to let less than 1% of GDP flow to these stewards. Rural land managers. Support them. They capture millions of tons of CO2.
More than that.
When nature heals, hope returns. Joy comes back. Inspiration isn’t a fluff factor. It’s the lifeblood of restoration. Hope creates its own positive loop.
Prof Thomas Crowther. Ecologist. Author of Nature’s Echo. Founder of Restor.ec
Just Earth: How a Fairer World Will Save Planet by Tony Juniper
A Climate of Truth by Mike Berners-lee
