COURTESY BY: https://www.dawn.com/ GENEVA: This year is on course to be one of the three warmest ever recorded and could even top the record set in 2016, the United Nations said on Wednesday. The past six years, 2015 to 2020, are therefore set to make up all six of the hottest years since modern records began in 1850, the UN’s World Meteorological Organisation said in its provisional 2020 State of the Global Climate report. “2020 has, unfortunately, been yet another extraordinary year for our climate,” said WMO secretary-general Petteri Taalas.…