Shellenberger has been a climate and environmental activist for over 30 years. He has helped save nuclear reactors around the world, from Illinois and New York to South Korea and Taiwan, thereby preventing an increase in air pollution equivalent to adding over 24 million cars to the road. Michael is a leading environmental journalist who has broken major stories on Amazon deforestation; rising climate resilience; growing eco-anxiety; the U.S. government’s role in the fracking revolution; and climate change and California’s fires. He writes on housing and homelessness, and has called for California to declare a state of emergency with regards to its addiction, mental health, and housing crises. He has authored widely-read articles and reports on the topic including “Why California Keeps Making Homelessness Worse,” “California in Danger.” He is co-founder of Breakthrough Institute, where he was president from 2003 - 2015, and served as an advisor to MIT's "Future of Nuclear Energy" task force. Michael lives in Berkeley, California.