weeks. scenes like this are likely to become the new normal according to an international research team's latest study they call the trend hot house earth i said. it's when the climate is much warmer than it is today three to four degrees than it already is four to five degrees warmer than in the pre-industrial climate. international climate targets aim to limit the earth's warming to two degrees celsius but scientists now think even that is too high setting in motion processes which could create a domino effect such as glacial melting researchers argue that without putting in place specific human made climate protections the seas could rise but up to sixty metres so how to curb greenhouse gas emissions scientists say we need to cut industrial carbon travel less by plane and car and eat less meat they say already