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Climate change: the basics

The climate is changing

  • Temperatures have risen steadily since the late 1800s [1]
  • 2016 was the hottest year on record

  • Storms, droughts and wildfires have become more frequent and more severe

The changing climate is due to release of CO2 and other greenhouse gases by human activity

  • Atmospheric CO2 has increased by 40% since the late 1800s [2]
  • Methane and other greenhouse gases have also increased
  • The increased CO2 and other greenhouse gases trap more of the sun's energy and raise tempertures [3]

The science is beyond reasonable doubt

  • The great majority of the experts agree on the science [4]
  • All of the counter-arguments can be seen to be invalid when subjected to critical scrutiny [5]

References


[1] NASA global land-ocean temperature chart downloaded 2.5.2019 from https://climate.nasa.gov/vital-signs/global-temperature/

[2] D McCoy & B Hoskins (2014) The science of anthropogenic climate change: what every doctor should know British Medical Journal BMJ 2014;349:g5178

[3] The Royal Society (2010) Climate change: a summary of the science
https://royalsociety.org/policy/publications/2010/climate-change-summary-science/
or from here

[4] IPCC (Intergovernmental Panel on Climate Change) http://www.ipcc.ch/

[5] Global Warming & Climate Change Myths Skeptical Science website (viewed 12.3.2015) https://www.skepticalscience.com/argument.php


First published: 2015
Last updated: 14 Jul 2019