Global Warming Expands Subtropical Boundaries (Free Internet Press) The atmosphere is warming faster in subtropical areas - around 30° north and south of the equator - than anywhere else in the world, according to a study of more than 25 years of satellite data. And the process appears to be driven by climate change. Researchers analyzed the tropical air circulation pattern - which brings rain to the equator and dries the subtropics - and found that this climate [News Source]