Member of ColdplayMartin gathered more than 30.000 signatures for Oxfam's Fair Trade petition while touring from 2002-2004. Martin has been on trips with Oxfam to assess conditions in third world countries and has appeared in its advertising campaign. He is known for wearing a Make Trade Fair wristband during public appearances, including at Coldplay concerts. Chris teamed up with REM’s Michael Stipe for a charity single to continue aid for Hurricane Katrina victims; proceeds benefit Mercy Corps. The CD, In the Sun, is available for purchase on iTunes.