UW News
James Johnstone
October 29, 2013
Redwood trees reveal history of West Coast rain, fog, ocean conditions
![redwoods in fog](https://uw-s3-cdn.s3.us-west-2.amazonaws.com/wp-content/uploads/sites/6/2013/10/04191408/redwood_national_park_Michael_Schweppe_flickr-150x150.jpg)
Scientists found a way to use coastal redwood trees as a window into historic climate, using oxygen and carbon atoms in the wood to detect fog and rainfall in previous seasons.