President Donald Trump is on the look-out for a chief science adviser, but who to choose?
If his most recent appointments are any indication of the future, then, on climate change at least, Americans should expect the president to tap a climate science denier.
Happer has for more than a decade rejected all the credible evidence on the risks of human-caused climate change. He is often described as an “expert” on climate change, yet his record of publishing research on the issue in peer-reviewed scientific journals is almost non-existent.
So who is he?