By Donald Elliott ( February 21, 2018, 2:08 PM EST) -- Since President Donald Trump took office just over one year ago, much has changed at the U.S. Environmental Protection Agency. In this Expert Analysis series, former EPA general counsels and agency members discuss some of the most significant developments and what they mean for the future of environmental law in the U.S. Donald Elliott The popular narrative about the Trump administration and the environment has emphasized climate change, on which the U.S. Environmental Protection Agency under Administrator Scott Pruitt is undeniably less aggressive than under its immediate predecessor. One area that sharply conflicts with this pattern, however, is Superfund, where the Pruitt EPA is much more aggressive than all of its recent predecessors, especially when it comes to issuing unilateral administrative orders, or UAOs. Some speculate this may be to try to counteract the bad press it has received for being weak on the environment in other areas....