Mostly cloudy with a couple of showers and a thunderstorm
Mostly cloudy with widely separated thunderstorms
Rises at 5:57 AM with 14:52 of sunlight, then sets at 8:49 PM
Rises at 9:39 PM with 9:48 of moolight, then sets at 7:27 AM
May 23, 2013; 5:00 AM ET A team has developed a model to determine the influences of humans and climate on vegetation changes. Valerie Smock explains what has the greatest effect.