Nature's Notebook results webinar 2013: Why do scientists care so much about what's happening in your yard?

Spring of 2012 arrived remarkably early in much of the U.S... but what about 2013? What do those observations that you've been diligently collecting and reporting in your yard say about this year? How are scientists and decision-makers using these observations? View our 2013 results webinar video below to learn more or download the slides.