Rachel CarsonSept. 27, 1962: Rachel Carson (at right), a U.S. government biologist, publishes "Silent Spring." The groundbreaking environmental book prompts a furious backlash from the chemical industry, but Carson’s reporting on the damage to bird populations from the pesticide DDT eventually leads to a ban on the use of the chemical.

Sept. 27, 2006: California Gov. Arnold Schwarzenegger signs a law capping greenhouse gas emissions, becoming the first U.S. governor to do so.

Sept. 27, 2009: Ken Burns, the renowned producer of American history documentaries, debuts "The National Parks: America’s Best Idea" on PBS. The six-part series chronicles the struggles to create Yellowstone, Yosemite, and the other iconic U.S. preserves, as well as the visionaries who helped create them.

Photo: Wikimedia Commons

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.

September 27
Rachel Carson publishes 'Silent Spring,' California caps greenhouse gas emissions, and Ken Burns' national parks documentary is released.