The Trump administration backed away from policies meant to reduce carbon emissions, and promoted policies meant to increase energy independence through increased reliance on and use of fossil fuels. The same administration also rolled back nearly 100 separate environmental regulations. It supported developing energy reserves on federally protected land, including national forests and near national monuments.

Trump himself has regularly expressed skepticism over anthropogenic global warming.

I’m… genuinely not sure you can reconcile this with a claim of him being an environmentalist on any axis.