Celebrities to President Obama: Reject the Keystone XL PipelineWatch our video! Celebrities from the U.S. and Canada have come together asking the president to do the obvious right thing. 2015 Sierra Club CalendarGet your 2015 calendar today! The Sierra Club Partners With CREDO MobileSince you value environmental protection and clean energy, you’ll be excited to know we’re launching a partnership with the phone company that stands with you—CREDO Mobile. Switch your phone service today and CREDO will donate to the Sierra Club! Leading the Fight Against Illegal LoggingDid you know that up to 30 percent of all wood traded globally has been obtained illegally? See what you can do. President Obama to Get Every Kid in a ParkA walk in the woods will change a child's life. That is, if she ever makes it to the trailhead.