… gained prominence in 1989 with his pioneering book, The End of Nature , which was published in 24 different languages. Since then, he has traveled the world … subtitle, “A Roadmap for Grassroots Advocacy,” is another reason McKibben was drawn to being part of the event. His nonprofit, 350.org that he launched in 2007 … gained prominence in 1989 with his pioneering book, The End of Nature , which was published in 24 different languages. Since then, he has traveled the world …