ICYMI: U.S. President Donald Trump dismissed the 'prophets of doom' at #WEF20 and climate activist @GretaThunberg said planting a trillion trees was 'nowhere near enough', in their latest high-profile tit-for-tat. Full #ReutersDavos coverage https://t.co/WJ2UekUi2f pic.twitter.com/nbSaWgUCEg

— Reuters (@Reuters) January 27, 2020