Thomas Kostigen
Author, Writer
Thomas M. Kostigen is a multiple New York Times bestselling author and award-winning National Geographic writer. His most recent book (coauthored with Academy Award-winning actor Robert Downey, Jr.) is Cool Food: Erasing Your Carbon Footprint One Bite at a Time (Blackstone). Kostigen launched and penned The Climate Survivalist column for USA Today, the Better Planet column for Discover magazine, and is a regular contributor to major publications worldwide. His numerous books about the environment and social issues include, The Green Book: The Everyday Guide to Saving the Planet One Simple Step at a Time (Crown); You Are Here: Exposing the Vital Links Between What We Do and What That Does to The Planet (HarperOne); The Green Blue Book: The Simple Water-Savings Guide to Everything in Your Life (Rodale); The Big Handout (Rodale); The Extreme Weather Survival Guide (National Geographic); Extreme Weather (National Geographic Kids); and Hacking Planet Earth: How Geoengineering Can Help Us Reimagine the Future (TarcherPerigee).
As a journalist, Kostigen has reported from war zones to the world's wonders across five continents, and appears regularly as a guest in the media, including Good Morning America, The View, Nightline, the Today Show, Mornings with Al, The Weather Channel, CNN's Erin Burnett, MSNBC's Morning Joe, Entertainment Tonight, Fox News, the Dennis Miller Show, National Public Radio, CNBC, USA Today, USA Weekend, among many other outlets.
He speaks widely at major conferences and events around the globe, including The Climate Project in Seville, Spain where he shared the stage with Nobel Prize winners Al Gore and Rajendra Pachauri; The Aspen Institute; The Commonwealth Club; Disney's Environmentality conference; Gannett; MindValley University; Harvard Business School; The Global Water Summit; and numerous others. He has received an audience with His Majesty King Charles III, and participated in the Sustainable Markets Initiative. As well, he is launching with the Secretariat of London Climate Action Week, Europe's largest climate event, its official short documentary film festival in 2026.