In 2017, the arrival of the Trump Administration brought a flurry of changes to U.S. environmental policy—from the decision to pull out of the Paris climate agreement to cutting federal funding for science and the environment initiatives. To keep track of it all, National Geographic kept a running list, below, of these developments for the first two years of the administration. Now, with campaign season in full swing, we’re keeping track of environmental actions and promises from both the Trump Administration and Democratic presidential nominee Joseph Biden. Follow along here.