We started with one lawyer and his laptop in 2007.

ClientEarth founder James Thornton was a Wall Street lawyer who won over 80 cases to force the Reagan Administration to clean up polluted water. Then he moved to London, and ClientEarth was born.

Now we are over 300 people, with eight offices around the world, creating powerful change for life on Earth.

Our early beginnings

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We use law as a tool to mend the relationship between human societies and the Earth. We work all around the world, bringing together law, science and policy to create practical solutions to key environmental challenges.
James Thornton, President and Founder
James Thornton, ClientEarth founder