The second warmest summer on record, dating back to the mid-1800's. Yeah, those were the days when we were using lots of fossil fuels.
Also remember 1000 years ago Greenland was warm enough to support a Viking colony. 2nd point...just 20 -25 years ago, there was clamor of a impending ice age.
Truth is, a 150 year sample size is not statistically large enough to truly determine whehter global warming is a concern.
Plus, you'd be suprised how many envirowhacko's who have infiltrated the ranks of supposedly reputable research climatologist