"There's absolutely been a certain level of upheaval," he said.
Maltz isn't worried yet, but we wondered not only about what level of upheaval is enough to change things, but also how we'd be able to tell when things were changing.
We should not lower the bar for Libya, but consideration should be afforded to any nation undergoing this level of upheaval.
Crosby's skill level has led to some degree of upheaval, notably at the 2010 Winter Olympic Games in Vancouver, British Columbia, and again at the 2014 Winter Olympic Games in Sochi, Russia.
The cities that scored best on Mercer's list had the best safety records and the lowest levels of political upheaval, which helps explain why volatile Baghdad sunk to the last-place spot.
Still, Jérémie experienced some degree of upheaval as a result of the earthquake.
Let's assume for purposes of this question that there is a "tipping point" beyond which heating of the climate cannot be reversed and that this change will bring about mass migrations, rise in coastal water levels, upheaval of crop patterns, drying up of major water sources, and so forth.
Throughout Earth's history, periods of upheaval characterized by mass extinctions, changes in sea level and ocean chemistry, and relatively rapid changes in prevailing climate patterns are captured in the layers of rock.
It is an odd, delayed phenomenon of moments of upheaval, like 1968, that at a certain point they stop looking like movements forward and suddenly reveal themselves to have been, at some deeper level, movements backward.
There will be famine, war, social upheavals and incalculable levels of human suffering.
