This year's U.N. climate conference, taking place Nov. 30-Dec. 12 in Dubai, marks the world's 28th leadership gathering to confront global warming since the first "Conference of the Parties" in 1995. But the world has known for far longer of the existential threat posed by climate change, caused mainly by the burning of fossil fuels.
This year's U.N. climate conference, taking place Nov. 30-Dec. 12 in Dubai, marks the world's 28th leadership gathering to confront global warming since the first "Conference of the Parties" in 1995. But the world has known for far longer of the existential threat posed by climate change , caused mainly by the burning of fossil fuels .1800s - For about 6,000 years before the industrial era, global levels of atmospheric carbon dioxide (CO2) remained around 280 parts per million ("ppm").
Several European scientists begin studying how different gases trap atmospheric heat and in the 1890sof Sweden calculates the temperature effect from doubling atmospheric CO2 levels, demonstrating how burning fossil fuels will warm the planet.1958 - American scientist Charles David Keeling starts systematically measuring CO2 levels over Hawaii's Mauna Loa Observatory, resulting in the famed "Keeling Curve" that shows the steady increase of CO2 in the atmosphere.1979 - The first World Climate Conference is held in Geneva, Switzerland, leading to the establishment of the World Climate Programme and the Intergovernmental Panel on Climate Change (IPCC).1988 - The IPCC is officially established by the United Nations Environment Programme (UNEP) and the World Meteorological Organization (WMO) to provide scientific assessments on climate change.1992 - The United Nations Framework Convention on Climate Change (UNFCCC) is adopted, setting the objective of stabilizing greenhouse gas concentrations in the atmosphere to prevent dangerous human interference with the climate system.1997 - The Kyoto Protocol is adopted, committing developed countries to reduce their greenhouse gas emissions.2015 - The Paris Agreement is adopted, aiming to limit global warming to well below 2 degrees Celsius above pre-industrial levels and to pursue efforts to limit the temperature increase to 1.5 degrees Celsius.2021 - The 26th UN Climate Change Conference of the Parties (COP26) is held in Glasgow, Scotland, resulting in various commitments and agreements to address climate change
Climate Change UN Climate Conference COP Global Warming Fossil Fuels Greenhouse Gas Emissions Paris Agreement Kyoto Protocol
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