In just two years, President Trump has unleashed a regulatory rollback, lobbied for and cheered on by industry, with little parallel in the past half-century. The trade-offs, while often out of public view, are real — frighteningly so, for some people — imperiling progress in cleaning up the air we breathe and the water we drink, and in some cases upending the very relationship with the environment around us. Mr. Trump enthusiastically promotes the changes as creating jobs, freeing business from the shackles of government and helping the economy grow. Read more NYT.