Little Ice Age

Expect to see "a lot more volcanic activity in areas of the world where glaciers and volcanoes interact," the lead author says.
"COP21" is shorthand for "Conference of the Parties 21," which tells you absolutely nothing. You could call it the "2015 United Nations Climate Change Conference," but that gives you little more than a vague outline of what it is.
As I explained in Deep Future: The Next 100,000 Years of Life on Earth, the message from the geological past is not "big deal, appalling climate disasters have happened before." Climate science tells us that we don't want to go through equally appalling disruptions of our own making, and also that we don't necessarily have to.
Early records of sunspots indicate that the sun went through a period of inactivity in the late 17th Century. Very few sunspots
The team also performed radiocarbon analyses on carbonized tree trunks and branches buried within the pyroclastic deposits
By Sarah C. P. Williams A group of plants frozen inside Teardrop Glacier in the Canadian Arctic for more than 400 years still
The cold period, which was kicked off in the 13th century and lasted until the 19th, helped define Northern European life
I agree with my friend. So what if you're a congressman or senator and you'd like to actually begin contributing to a solution