No end to rising temperatures The world’s top climate scientists warn that the planet will warm by 1.5° Celsius within 20 years without “immediate, rapid and large-scale reductions” in greenhouse gas pollution Change in global surface temperature (°C relative to 1951-1980 average) Yearly Five-year average 1951-1980 average 1970-2020: Surface temperature rises faster than in any 50-year period over past 2,000 years 2020: Planet warms by estimated 1.2°C 2040: Best-case scenario – could rise by 1.6°C by 2060 1.5 1.4 1.3 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -0.2 -0.4 -0.6 1880 90 1900 10 20 30 40 50 60 70 80 90 2000 10 20 30 40 Sources: Intergovernmental Panel on Climate Change, NASA Picture: Getty Images © GRAPHIC NEWS