This resolution for you is a long time in coming.
http://www.meteo.psu.edu/holocene/public_html/shared/articles/mbh98.pdf
The #HockeyStickCurve inspired many #Climate Scientists to figure out what caused #Temperature and #ClimateChange for the #LastMillennium … there’s not much happening (and a flat temperature record) until the 1800’s when Anthropogenic #GreenHouseGases kicked us in to our present #GlobalWarming
