N
E
S
W
Mostly sunny
N
E
S
W
Partly cloudy
| Today | Normal | Record | 5/23/2012 | |
|---|---|---|---|---|
| High | 91° | 86° | N/A | 89° |
| Low | 63° | 62° | N/A | 59° |
Rises at 5:43 AM with 13:55 of sunlight, then sets at 7:38 PM
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.