Bill McKibben

Bill McKibben is an American environmentalist, author, and journalist known for his advocacy on climate change and sustainability. He gained prominence with his 1989 book "The End of Nature," which is considered one of the first to highlight the impact of human activity on the environment. McKibben founded 350.org, a global grassroots movement focused on reducing atmospheric carbon dioxide levels to 350 parts per million, a target for climate stability. He often speaks about renewable energy, climate policy, and grassroots activism, emphasizing the urgent need for collective action to address the climate crisis.