Including the closely related terms level, and level rise.
…) predicts that 2019 will be the warmest year on record. Greenhouse gases (including carbon dioxide) reached record levels in the atmosphere at 405.5 parts per million (ppm) in 2017.3 In the 5-year period 2014 -2019, the rate of global mean sea-level rise was 5 mm per year, compared with 4 mm per year over the 10-year period 2007-2016. 2 The amount of ice lost annually from…