Satellite reveals that cloud tops are dropping closer to Earth 02-23-2012 The sky is falling … sort of. Over the last 10 years, the height of clouds has been shrinking, according to new research. >>
	NASA Satellite Finds Earth's Clouds are Getting Lower 02-22-2012 Earth's clouds got a little lower -- about one percent on average -- during the first decade of this century, finds a new NASA-funded university study based on NASA satellite data. >>