Time to Stop a Bad IdeaThe Sierra Club is proud to support Native American allies who are trying to protect their water and ancestral lands from the dangerous Dakota Access oil pipeline. The Top 20Sierra magazine's annual list. These are the colleges working hardest to protect the planet in 2016. A New National Monument!Send a message to thank President Obama for naming Katahdin Woods and Water our newest national monument. Help Celebrate Our National ParksLooking for a National Park Service 100th anniversary T-shirt, national park notecards, a classic Sierra Club stainless steel camping cup, or other gear? We've got it! Sierra Club Outings -- Book Your Trip Today!Looking for a getaway? We've got 300+ ideas for you.