Plant growth is also directly controlled by water, which is becoming more limited as regions like the subtropics become drier.
With changes in land use and climate, some areas in East Africa have become drier, Olson says, and water sources are becoming intermittent or disappearing.
Patterns of precipitation (rainfall and snowfall) have changed, with parts of North and South America, Europe and northern and central Asia becoming wetter, while the Sahel region of central Africa, southern Africa, the Mediterranean and southern Asia have become drier.
As the temperature falls, the air tends to become drier, often leaving skin and lips parched.
Southern areas, especially in the West, are projected to become drier".
There is some evidence that removal of vegetation can also affect climate, causing it to become drier.
But that is seldom the case, as the region has become drier over the past two decades, he said.
So instead of providing a dazzling future, the e-world is forcing nonfiction to become drier, blander and denser.
By midweek it is expected to become drier and colder – with the possibility of snow next weekend in some places.
Worse, when the rain does fall, it evaporates faster and faster as the American Southwest become drier, threatening to turn Texas into desert.
