More than 110 people have been arrested since Saturday for taking part in sit-ins outside the White House calling on the Obama administration to reject the Keystone XL pipeline, a proposed 1,500-mile pipeline to deliver tar sands oil from Canada to refineries in Texas. Prominent environmental organizer Bill McKibben and over 70 others were arrested on Saturday on the first day of a two-week series of actions. McKibben and dozens others remain in jail. Dr. Sydney Parker of Maryland was arrested during Sunday’s action.

Dr. Sydney Parker, arrested protester: “We are here because this is not just an environmental issue, it’s also a very big health issue. And that’s why we’ve come out today, and that’s why we’re so committed. So, personally, I have never been arrested before. I’m not—you know, I don’t do this for fun. I’m here because I think it is such an important issue that it really demands this kind of action, and it demands that level of commitment from myself.”