Sentences with phrase «before mass migration»

Not exact matches

Anticipated changes in the environment due to climate change may lead to mass migrations of people on a scale never before seen.

Shifts in rainfall patterns and shorelines will contribute to mass migrations on a scale never before seen

Tracking the mass migration of birds and other animals might help warn of natural disasters, as they are known to sense tectonic activity well before seismic shifts.

While the 1930s Dust Bowl in the Midwest lasted four to eight years, depending upon location, a megadrought can last more than three decades, which could lead to mass population migration on a scale never before seen in this country.

Business and pollution as usual offers half - measures and promises action just in time, if we are lucky, before the planet warms sufficiently to cause massive crop failure as industrial civilization collapses amidst flood, drought, famine, war, mass migration of the desperate, epidemics.