>Cycles happen - neither of us can say this didn't also happen 500/1000/2000/10,000 years ago. There are methods to do just this: https://www.bas.ac.uk/data/ou

>Cycles happen - neither of us can say this didn't also happen 500/1000/2000/10,000 years ago. There are methods to do just this: https://www.bas.ac.uk/data/our-data/publication/ice-cores-and-climate-change/ https://www.bas.ac.uk/data/our-data/publication/ice-cores-an... Also about the rapidity of change: https://xkcd.com/1732/ https://xkcd.com/1732/ And if you're thinking, hey it's probably not that bad after 2016: http://www.climate.gov/news-features/understanding-climate/climate-change-global-temperature http://www.climate.gov/news-features/understanding-climate/c...