I don’t mean the year.
I mean your atmospheric CO2 parts per million. What was it when you came into being?
I was born at 324 CO2 parts per million. (I’ll let you work out the month and year from that!) You’ll see it used more and more on Twitter bios, for example, as a way for people to show their concern about the climate emergency.
The levels of CO2 and other greenhouse gases in our atmosphere have been climbing fast. We’re at 417 CO2 ppm today. That’s 50% up from pre-industrial levels. Scientists have shown that this rapid rise has put us in a dangerous place and that it’s accelerating climate change.
A great blog has been published by Richard Betts of the Met Office about this today.
The global benchmark for carbon dioxide in our atmosphere is measured at Mauna Loa in Hawaii.
It took over 200 years to 1986 to climb by 25%. By 2011 – 25 years later – the increase reached 40%. Now after one more decade it is reaching 50%.
Knowing what the CO2 PPM number was at our birth helps remind us of our own impact on the climate.
So, when were you born? The chart on this page should help you find an answer.