United in Science 2020

Report by World Meteorological Organization, with the Global Carbon Project, Intergovernmental Panel on Climate Change, Intergovernmental Oceanographic Commission of UNESCO, UN Environment Programme and UK Met Office. September 9, 2020.

Report by World Meteorological Organization, with the Global Carbon Project, Intergovernmental Panel on Climate Change, Intergovernmental Oceanographic Commission of UNESCO, UN Environment Programme and UK Met Office.

September 9, 2020.

Climate change has not stopped for COVID19. Greenhouse gas concentrations in the atmosphere are at record levels and continue to increase. Emissions are heading in the direction of pre-pandemic levels following a temporary decline caused by the lockdown and economic slowdown. The world is set to see its warmest five years on record – in a trend which is likely to continue - and is not on track to meet agreed targets to keep global temperature increase well below 2 °C or at 1.5 °C above pre-industrial levels.

This report highlights the increasing and irreversible impacts of climate change, which affects glaciers, oceans, nature, economies and human living conditions and is often felt through water-related hazards like drought or flooding. It also documents how COVID-19 has impeded our ability to monitor these changes through the global observing system.

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