CO2: Understanding Impact of Human Activities on Climate

Latest measurement Sept 2023

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.

  • The latest measurement of atmospheric CO2 in September 2023 is 419 parts per million (ppm).
  • Carbon dioxide is a greenhouse gas responsible for global warming and climate change.
  • 3. Human activities, including the burning of fossil fuels, have increased atmospheric CO2 by 50% in less than 200 years.
  • CO2 levels are measured at the Mauna Loa Observatory, Hawaii, since 1958, revealing a significant and ongoing increase.
  • Seasonal cycles in photosynthesis cause fluctuations in CO2 levels, with plants absorbing CO2 in the spring and releasing it in the fall.

For more detailed information and visualizations, please refer to the original source.

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