Double Nature

We are people reversing climate change. We draw down CO2 with natural climate solutions. We double nature and foster the fundamental conditions for the new nature economy.

Join us

Photo by Shane Rounce


Climate Cleanup Foundation is a non-profit funded by members.
Together we pioneer in doughnut accounting, seaweed, soil, plants, trees and rock weathering.

Hans Kern
seaweed and climate publisher
Martijn in ‘t Veld
Climate Neutral Group
Edwin van Groningen
Gold Member
Ultsje van Gorkum

We remove 1500 gigaton of CO2

To contain the climate crisis we need to remove 1500 gigaton of CO2. This happens to be about what is already stored by all plants and trees on earth. So to remove 1500 gigaton, we need to double nature. We reverse climate change by developing natural climate solutions in actual projects and we foster the fundamental conditions for entrepreneurial people to flourish in the new nature economy.
What we do

Fostering fundamental conditions

We foster the fundamental conditions for the new nature economy. Natural Climate Solutions can provide over 30% of the solution to reverse climate change, but receive not even 3% of funding. We are closing this gap by creating the conditions for entrepeneurial people and organisations to flourish.

Read our green paper

What we do



We do. Innovation needs experiment, therefore we pioneer solutions, particularly in seaweed and rock weathering. We develop this up to proof concept, so markets can take up what we start and grow in a distributed way.

trees | sand | seaweed


We foster the fundamental conditions for people to thrive in the new nature economy.

Carbon removal accounting standard


We show the world we want. We envision how beautiful the world will be in a new nature economy. We’re always fact-based: we show what can be done. And then we do.

Drawdown | 2040


Club Launch shows window on the future
Climate Cleanup | 8 May 2020
We’re very proud to announce the launch of our 1500 club on May 27 2020; 1500 people solving the climate and nature crises by regenerating nature. (more…)
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Climate Cleanup joins Amsterdam Doughnut Coalition
Climate Cleanup | 8 Apr 2020
With the Doughnut Economy at the core of our strategy we are grateful to join as a founding member to the the Amsterdam Doughnut Coalition. (more…)
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More news


We work with a network of great entrepreneurial people and organisations. If you would like to join us, just drop us a line.