An indictment from special counsel Robert Mueller shows Russian agents supported Bernie Sanders and eventually Jill Stein, as well as Donald Trump.
Facebook and Twitter have taken steps to curb Russian-linked propaganda on their sites.
Kelly faced backlash amid domestic abuse allegations against two former White House staffers.
The charges include conspiracy to defraud the U.S., conspiracy to commit bank and wire fraud, and aggravated identity theft.
Because natural gas is cheap right now, power plants are using less coal, and their emissions have plummeted.