Mostly cloudy with a shower possible
Rises at 6:17 AM with 14:18 of sunlight, then sets at 8:35 PM
Rises at 11:16 PM with 10:44 of moolight, then sets at 10:00 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.