Snowfall in deserts is mainly the result of sharp temperature swings. Many deserts lie far from oceans or are located at high ...
On a bright morning in Hawaii Kai, you pull into a gas station. The Koolau cliffs glow. Trade­winds stir the palms. You slide ...
Russia has the largest forest area in the world, accounting for nearly 20% of Earth's total forest cover. From Siberia's ...