John Muir spoke, wrote, and lived the wilderness, including taking President Theodore Roosevelt on an overnight trip to the Yosemite Valley. This trip led to Roosevelts signing into law a bill that placed Yosemite under federal control as a national park. Because of this and his founding of the Sierra Club, John Muir is credited as one of the key shapers of the modern environmental movement.
In 1974, an inventor named Victor Wouk became a man who could be described as ahead of his time. He had developed a prototype for the hybrid, a car that would become the most credible and commercially successful alternative to gasoline-powered vehicles.
Politician Al Gore has lent both his voice and his political influence in the fight against global warming. His work and creative energy have earned him numerous forms of public recognition, most notably the 2007 Nobel Peace Prize.
David Suzuki is a prominent environmental activist. Throughout his adult life, he has been the creative force behind numerous television shows on science and the environment. He has used his voice to advocate for the environment and to take to task political leaders whose action and inaction have been part of the problem behind the global warming crisis.
Ed Begley, Jr. is a Hollywood actor, who inspires, entertains, and motivates a new generation of environmental activists, fans, and consumers with his all-encompassing green lifestyle. Whether he is promoting his own line of green products, lending his voice to further environmental awareness and action, or walking the walk of the life he touts in his own solar-powered home the star of Living with Ed is constantly on the lookout for ways to live more green - and get others onboard in the process.
Rachel Carson was a marine writer, biologist, and ecologist whose work inspired millions to take seriously the danger that human activity poses to the environment. She both revealed the wonders of the natural world and exposed the sinister threat to that world posed by DDT and other pesticides.
Although he steadfastly refused to be labeled an abolitionist, Abraham Lincoln was a hero to the abolitionist cause. The emancipation of the slaves in 1863 was strategic to the president's fight against the Confederacy in the Civil War and changed the course of the nation's history.