Latest measurement:  December 2022 420 ppm   Carbon dioxide in the atmosphere warms the planet, causing climate change. Human activities have raised the atmosphere’s carbon dioxide content by 50% in less than 200 years. Carbon dioxide (CO2) is an important heat-trapping gas, or greenhouse gas, that comes from the extraction and burning of fossil fuels (such […]

The World Meteorological Organization affirmed that, if greenhouse gas emissions are not stopped, the climate will become more and more extreme. In the Paris Agreement on Climate Change some 200 countries agreed, albeit non-bindingly, to a limit of between 1.5°C and 2°C in the increase in the planet’s temperature by the end of the century. […]