U.S. President Donald Trump hands out a pen after signing an Energy Independence Executive Order at the Environmental Protection Agency (EPA) Headquarters on March 28, 2017. (Photo by Ron Sach-Pool/Getty Images)
By Meg Wagner
A network of rules on the chopping block
President Donald Trump on Tuesday signed a sweeping executive order rolling back a slate of Obama-era environmental regulations, in a move that will unravel a network of policies intended to cut carbon emissions and curb...