Three good resources detailing the numerous anti-environmental stances and actions taken by the Administration and by Congress during the past year.
The lists only include federal activity. Not included are actions taken by individual states.
New York Times:
60 Environmental Rules on the Way Out Under Trump
A Running List of How Trump Is Changing the Environment
National Resources Defense Council (NRDC):
2017 Anti-Environmental Budget Riders
Given the environmental policy and legislative successes of the 1970s, along with the incremental and additive accomplishments of the 1990s, the force and speed of these reversals is unsettling. Hills are always difficult to climb, but easy to descend.
The length of our descent depends on us. Not a few individuals, but the collective.