This site is part of the Informa Connect Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 3099067.

Greenbuild
November 4-7, 2025
Los Angeles Convention CenterLos Angeles, CA

Bill McKibben
author, educator, and environmentalist at Third Act
Speaker

Profile

Bill McKibben is an author, educator, and environmentalist, who helped found 350.org, the first global grassroots climate campaign, and who has recently helped found Third Act, to build a progressive organizing movement for people over the age of 60.