(Click hyperlinked numbers for more information…)
Prior to the year 1850, average parts per million of carbon dioxide in Earth’s atmosphere over the past 800,000 years: 231
Prior to 1850, maximum parts per million of carbon dioxide in Earth’s atmosphere since the appearance on Earth of modern humans: 287
Parts per million of carbon dioxide in Earth’s atmosphere in 1850: 287
Parts per million of carbon dioxide in Earth’s atmosphere in 2016: 400.7
Global average increase in Earth’s surface temperature, in degrees Celsius, between 1850 and 2016: 1.2
In NASA’s temperature record since 1880, number of the warmest years on record that have occurred in the 19 years between 1998 and 2016: 17
Percentage reduction in September Arctic sea ice observed from 1979 to 2016, according to NASA: 34.4
According to NASA, current combined loss rate of land ice from Greenland and Antarctica, in metric tons per year, contributing directly to sea-level rise: 412,000,000,000
Global sea-level rise, in inches, between 1880 and 2014: 9
Temperature increase of Earth’s oceans since 1969, in degrees Celsius, according to NASA: 0.17
Percentage increase in acidity of the oceans since the Industrial Revolution, according to the National Oceanic and Atmospheric Administration: 30
Fraction of the Great Barrier Reef that suffered extreme damage from bleaching in 2016-2017, according to aerial surveys: 2/3
#TheNumbersDontLie