there are some years that kind of knock your socks off
1962: publication of Silent Spring (Carson) and The Other America (Harrington) and Island (Huxley) and The Port Huron Statement of SDS (Hayden) [and Betty Friedan was completing The Feminine Mystique, published early the next year]
1970: publication of The Greening of America (Reich) and Bury My Heart at Wounded Knee (Brown) and Bodies in Revolt (Hanna) and The Myth of the Machine (Mumford) and the first Earth Day
1972: publication of A Blueprint for Survival (Goldsmith) and Limits to Growth (Meadows) and Steps to an Ecology of Mind (Bateson) and Conserving Life on Earth (Ehrenfeld) and The Luddites (Thomis) and Where the Wasteland Ends (Roszak) and Stone Age Economics (Sahlins) and the First UN Conference on the Human Environment