Charles David Keeling
atmospheric sciences
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Keeling curve
- Continuous measurements of carbon dioxide
- from California, Antarctica, and Hawaii
- show diurnal and seasonal variations
- but also year-on-year increases
- that match global consumption of fossil fuels.
- Carbon-dioxide levels since World War II
- far exceed any level shown in ice cores
- from the last eight hundred thousand years.
Global warming
- Greenhouse gases
- Ocean acidification
- Retreating glaciers
- Rising seas
- Extreme weather
Peril
- Small-island nations are in peril.
- Seas will rise and skies will dry up;
- if people don’t drown
- they will starve or die of thirst.
The United Nations Intergovernmental Panel on Climate Change report of Monday 8 October 2018 titled “Global Warming of 1.5 °C” warns of dire consequences if world governments do not begin immediately to cut CO2 emissions. “Human activities are estimated to have caused approximately 1.0°C of global warming above pre-industrial levels, with a likely range of 0.8°C to 1.2°C. Global warming is likely to reach 1.5°C between 2030 and 2052 if it continues to increase at the current rate. (high confidence).”
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