American author and environmental policy writer (born 1971)
Michael D. Shellenberger (born June 16, 1971) is an author and journalist who writes on a wide range of topics including free speech, homelessness, and the environment. He is the first endowed professor at the University of Austin, serving as CBR Chair of Politics, Censorship, and Free Speech. He also founded Public, a Substack publication. Shellenberger has been active in critiquing the environmental movement, offering alternative views on climate threats and policies.
https://en.wikipedia.org/wiki/Michael_Shellenberger