See work by the Columbia Sabin Center for Climate Change Law.
… President Trump has directed EPA and DOI to reconsider regulations adopted to control greenhouse gas emissions, despite the wealth of data showing that those emissions are the key cause of climate change. Faced with this contradiction, both agencies have sought to downplay the science, including by restricting the availability of information (for example, by removing climate data from websites and deleting references to humans’ role in climate change from reports). Similar action has also been taken by a raft of other entities, with the SST indicating that at least 20 different federal bodies, including both Congress and the White House, have attempted to restrict access to scientific information or otherwise silence science …
See also reporting here on work anticipating this kind of action.