As one travels east toward the African coast, the influence of the gulf stream diminishes, and the islands become increasingly arid.
About 7.5 million people squeeze onto the increasingly arid hills of Rwanda, trying to eke out an existence on depleted soil.
This staggered decline, mostly occurring in contexts independent of humans, is linked to environmental evidence for increasingly arid and erratic conditions since 400-300,000 years ago.
In the south the environment grows increasingly arid, until eventually reaching the Sahara desert borderlands.
These allowed her to identify various local cultures, locate them in space and time, and follow their evolution and adaptation to an increasingly arid environment.
But as the film tracks its lost boys farther into a wilderness that becomes increasingly arid and forbidding, the words and music fall away.
These were interpreted as a mixed load dominated meandering system in an increasingly arid setting.
The land became increasingly arid, with less pasture land and insufficient water for the horses, and the canyons difficult.
Todd came by once in a while, but their conversations became increasingly arid.
The climate of the region becomes increasingly arid to the east.