We started with one lawyer and his laptop in 2007.

Now we are over 200 people, with eight offices around the world, creating powerful change for life on Earth.

Until 2007, Europe lacked a vital tool to defend nature. Using law to protect the environment was a common concept in the United States, but had not taken root over the Atlantic.

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.

Our early beginnings


2011 - 2017


2018 - Present