The plummeting temperature will then lead to something called the "Maunder minimum"

Gus Mahlr

"Amid rising concerns over the effects of global warming, a group of scientists has claimed that the Earth could in a little over a decade be hit by a "mini ice age" that would freeze major rivers. 

The startling prediction is based on a mathematical model of the Sun's magnetic energy which also suggests that Earth's temperature will start dropping in 2021.
The plummeting temperature will then lead to something called the "Maunder minimum", which is referred to a previous mini ice age that occurred between 1646 and 1715, turning London's Thames into a frozen river, scientists claimed...Read all.