UN climate negotiations through the years up to COP28
The HinduThis 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. 1958 - American scientist Charles David Keeling starts systematically measuring CO2 levels over Hawaii's Mauna Loa Observatory, resulting in the famed "Keeling Curve" line graph that shows steadily rising CO2 concentrations. 2010 - COP16 in Cancun fails to set new binding emissions targets, but establishes a Green Climate Fund to help developing countries cut emissions and adapt to the conditions of a warmer world. The COP21 climate talks result in The Paris Agreement, the first global pact to call for increasingly ambitious emissions pledges - called "Nationally Determined Contributions, or NDCs - from both developed and developing countries.