All of nature’s thermometers indicate a rapid rise in global temperatures.
The US Global Change Research Program recently released a Climate Science Special Report. It is clearly written – an authoritative summary of the science, and easy to understand.
Full article in The Guardian: https://www.theguardian.com/environment/climate-consensus-97-per-cent/2017/dec/06/us-government-report-finds-steady-and-persistent-global-warming