Coldplay have announced they are to become patrons of the organisation ClientEarth.

The organisation works across the globe with governments and other green groups to enforce environmental laws are properly enforced.

"'ClientEarth is at the forefront of changing the way the planet's resources are governed. They have a positive and pragmatic approach to environmental issues, improving and enforcing environmental law. Coldplay are proud to support them," said the press relaese issued by the band.

ClientEarth's CEO, James Thornton said: "Coldplay have long been strong advocates for environmental issues, and we are extremely pleased that they will continue to speak out for these most important of issues alongside us."

Meanwhile, Coldplay are set to play two concerts this Christmas in support of the homeless charity Crisis.

(by Holly Frith)