Daily Archives: 2013, July 16

With the help of satellite data, scientists studying the Tropics and other climate zones have been tracking changes over time. Here the Tropics is highlighted in orange. Recent studies show the Tropical zone is expanding toward the poles. Why do we care if the Tropics expands? This widening spreads Tropical diseases to new places and drought to the Subtropics, where much of the world’s population lives. Continue reading →