# Since the first Earth Day, the planet’s CO2 levels have gone off the rails

- Link: https://www.widthness.com/since-the-first-earth-day-the-planets-co2-levels-have-gone-off-the-rails/
- Published: 2023-04-22T09:45:54-05:00
- Author: Curated by Theresa Wysocki

Photo caption: Earth’s atmosphere as viewed from space. Photo credit: NASA. Article by Mark Kaufman. Mashable –  updated April 21, 2023. Update April 21, 2023: Earth’s atmospheric carbon dioxide levels averaged over 417 ppm in 2022, and even recently reached a daily reading of over 424 ppm. When this story first published in 2019, CO2 levels hovered around 412 ppm. They keep rising, relentlessly. […] Click here to view original web page at mashable.com