Want to use a 'C3' chart? Policy here. Most non-'C3' charts have red borders. Click on 'Source here' to go to originating site. Otherwise, click on 'C3 Post' link to find source of chart. Black border charts are 'C3' created charts/graphs/images.
"Unprecedented" global warming during late 20th and early 21st centuries? Actually, the real unprecedented warming (and extreme climate change) happened well before the industrial age, as the below paleo & ancient temperature proxy reconstruction charts reveal (in paleo-age descending order) and as the NY Times reported. Review the charts below and decide for yourself. (BTW, here is a collection of modern global temp and regional temp charts.)
OTHER CHARTS & INFORMATION OF INTEREST