The Netherlands is having a heat wave. Barbecues and outdoor smoking have been banned in large parts of the countryside because of the strong risk of fire following the dry weather. Yours truly has been suffering from yet another 35+ centrigrade day, with more to come tomorrow and the week after that.
Thoughts of global warming are hence resurfacing. But fear not. J. Storrs Hall provides us with the necessary perspective. If you look at a temperature recontruction of the last 500 or so years, taken from a Greenland ice-core sample, you would get a picture as shown below.
Here's the picture when we look at the last 1200 years:
And if we take the grand perspective, say the last 450 thousand years, what do we see: