Gov. Jerry Brown to Ben Carson: Do your homework on climate change


The retired neurosurgeon, who is challenging front runner Donald Trump in the polls, told us he didn’t buy the notion that the climate effects are human-caused.

“I know there are a lot of people who say ‘overwhelming science,’ but then when you ask them to show the overwhelming science, they never can show it,” Carson said in an interview Tuesday with The Chronicle after his sold-out appearance at the Commonwealth Club. “There is no overwhelming science that the things that are going on are man-caused and not naturally caused.

“Gimme a break.”