In the 1890s, Swedish scientist Svante Arrhenius calculates the temperature effect of a doubling of atmospheric CO2, showing that burning fossil fuels would likely warm the planet.ġ938 - By compiling historical weather data, British engineer Guy Callendar for the first time shows the planet's temperatures are rising in the modern era. Here are some key moments in the global climate conversation:ġ800s - Throughout the 1800s, several European scientists study how different gases and vapours can trap heat in Earth’s atmosphere. But the realization that industrial activity was causing climate change, and discussions about what to do about it, began much earlier. climate conference in Glasgow, Scotland, marks the 26th time since 1995 that world leaders have gathered to confront global warming. The slogan reads "Paris Agreement in flames, Macron looks away".
FILE PHOTO: Climate activists stand next to a giant portrait of French President Emmanuel Macron installed on the ground at Trocadero square in front of the Eiffel tower to mark the fifth anniversary of the 2015 United Nations Paris Agreement on climate change, in Paris, France December 10, 2020.
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