DeGrasse Tyson: We have to believe science on climate change
9:26 | Neil DeGrasse Tyson talks about the latest climate change warning.
Neil deGrasse Tyson scolds cherry picking climate science
5:28 | Tyson says lawmakers and the media cherry pick scientific papers to reinforce political ideals on climate change and says it’s irresponsible to create public policy while ignoring the scientific community’s consensus.