Expansion of tropics shifting high altitude clouds toward poles

Expansion of tropics shifting high altitude clouds toward poles

NASA's research team conducted a study on 30-years of satellite data to reveal that a recorded trend of high altitude clouds in the mid-latitude which are shifting toward the poles is primarily caused by the expansion of the tropics. One of the most important…

Why does Earth have deserts?

Why does Earth have deserts?

Take a look at a physical map of the world. Thirty degrees on either side of the equator, you will see, distributed with suspicious regularity, a brown band of drylands circling the planet, a sere belt warding off greener climes: the deserts of the world. They are