Boris Johnson urged to challenge Trump on climate denial

350 experts call on PM to address president's 'dangerous' and 'irresponsible' claims

Boris Johnson is being urged by 350 leading climate researchers to robustly challenge Donald Trump on his "dangerous" and "irresponsible" denial of the risks of climate change during the US president's visit to the UK this week.

Putting the prime minister under more pressure over his stance on global heating, leading academics involved in climate research said he must try to persuade Trump to take strong domestic and international action.