ScienceDebate.org sent 20 fine-tuned questions to the presidential candidates. 3 out of 4 of them responded. Here's where they stand on key science issues.
ScienceDebate.org, a nonprofit that promotes science and technology discourse in the public sphere, came up with 20 questions to ask the leading candidates for U.S. Presidency. The questions were crowdsourced and refined by dozens of scientific organizations. Despite the unpredictable nature of the current elections, aside from the Libertarian Gary Johnson, the candidates actually answered.