Mainly cloudy with a shower or thunderstorm around
Mostly cloudy and cooler
Rises at 6:18 AM with 14:27 of sunlight, then sets at 8:45 PM
Rises at 7:18 PM with 10:30 of moolight, then sets at 5:48 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.