United Science 2021


The United in Science 2021 report is a multi-organization compilation of the latest climate science information and gives a unified assessment of the state of our Earth system.

The report was released at a press conference given by WMO Secretary-General Prof. Petteri Taalas, and with a video message from United Nations Secretary-General António Guterres. https://media.un.org/en/asset/k1s/k1s4iw2ryc

The report provides details on:

  • Greenhouse Gas Concentrations in the Atmosphere (WMO)
  • Global greenhouse gas emissions and budgets (Global Carbon Project)
  • Emissions Gap (UN Environment Programme)
  • Global Climate in 2017-2021 and 2021-2025 (WMO, UK Met Office)
  • Highlights of the Intergovernmental Panel on Climate Change Sixth Assessment Report – the Physical Science basis
  • Sea level rise and coastal impacts (World Climate Research Programme)
  • Heatwaves, wildfires and air pollution (World Health Organization/WMO)