(Re-blogged from a piece I wrote for the White House) My great-grandfather immigrated to the United States from China in 1915, at the age of 11. He soon became the owner of a corner grocery store in Tucson, Arizona, and stayed in the community for decades. Now, almost a century later, I find myself living…

I was honored yesterday to speak at the White House about my work with the University of Arizona’s Sky School. We are a residential outdoor science school located in the heart of the Coronado National Forest. Our mission is to connect K-12 students to science and environment, and so inspire the next generation of conservation…