It's called "weather."  IPCC failed a UN audit.  They have used unverified sources that turned out to be false.  The Summary conflicts with (sometimes grossly disagrees with) the detailed scientific sections.  Some scientists quit out of frustration of having their words twisted and distorted.  The computer models aren't any more accurate today than they were 30 years ago and are widely disputed.  GIGO.  IPCC ignores more accurate satellite temp data and manipulates temp data from land and ocean weather stations.  Often, original data is purposely destroyed, leaving only the doctored data.  Many scientists are realizing AGW is not happening at the rate claimed nor by the causes (CO2) claimed.  There are many man-caused + natural reasons your butterflies are fewer in numbers.  And I concur THAT is real.  Please work to save the trees, manage water resources and provide clean water to the poor, treat sewerage, and promote better farming techniques to limit topsoil loss.