"The global average concentration of carbon dioxide in March this year was 4.7 parts per million (or ppm) higher than it it was in March last year, which is a record-breaking increase in CO2 levels over a 12-month period."
#keelingCurve#co2 levels over the past decade.
Legend showing lines for each year on grid
y azis: co2 levels
x axis: Month
May was once again the annual peak for co2. (despite the odd June peak last year) July and August numbers will be interesting to watch, and see how they typical summer pullback compares with prior years.