Closing in on 400 ppm

Pictured above is the Keeling Curve. It shows the monthly average of Carbon Dioxide in the atmosphere as measured at the Mauna Loa Observatory in Hawaii. As you can see we are closing in on 400 ppm. Scripps Institute of Oceanography operates a website that tracks what the current reading is. Currently the number is 399.72 ppm. You can find the site here is a climate change organization that feels that the ppm number is so important that they took the safe level of Carbon Dioxide as their name. They say that, “350 is the number that leading scientists say is the safe upper limit for carbon dioxide—measured in “Parts Per Million” in our atmosphere. 350 PPM—it’s the number humanity needs to get back to as soon as possible to avoid runaway climate change.”

So you can see that we are not doing a real good job getting down to 350.

This is the first time I’ve captured pictures off the web. Let’s do another one.


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