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Thomas Malthus
The Reverend Thomas Robert Malthus FRS was an English cleric and scholar, influential in the fields of political economy and demography. Malthus himself used only his middle name Robert. -
Henry David Thoreau
Henry David Thoreau was an American essayist, poet, philosopher, abolitionist, naturalist, tax resister, development critic, surveyor, and historian. He was born on July 12, 1817. -
Theodore Roosevelt
Theodore Roosevelt Jr. was an American statesman, author, explorer, soldier, naturalist, and reformer who served as the 26th President of the United States from 1901 to 1909. He founded many National Parks and wildlife reserves. -
Yellowstone
Yellowstone National Park is a nearly 3,500-sq.-mile wilderness recreation area atop a volcanic hot spot. Mostly in Wyoming, the park spreads into parts of Montana and Idaho too. Yellowstone features dramatic canyons, alpine rivers, lush forests, hot springs and gushing geysers, including its most famous, Old Faithful. It's also home to hundreds of animal species, including bears, wolves, bison, elk and antelope. -
Arbor Day
Arbor day is a holiday dedicated to the protection and care of the Earth, usually celebrated by planting trees. The first Arbor day was celebrated in Nebraska in 1872. -
Sierra Club
The Sierra Club is an environmental organization in the United States. It was founded on May 28, 1892, in San Francisco, California, by the Scottish-American preservationist John Muir, who became its first president. -
Lacey Act
The Lacey Act is a 1900 United States law that bans trafficking in illegal wildlife. In 2008, the Act was amended to include plants and plant products such as timber and paper. This landmark legislation is the world's first ban on trade in illegally sourced wood products. -
National Forest Service
The United States Forest Service (USFS) is an agency of the U.S. Department of Agriculture that administers the nation's 154 national forests and 20 national grasslands, which encompass 193 million acres. Major divisions of the agency include the National Forest System, State and Private Forestry, Business Operations, and the Research and Development branch. Managing approximately 25% of federal lands, it is the only major national land agency that is outside the U.S. Department of the Interior. -
Dust Bowl
The Dust Bowl, also known as the Dirty Thirties, was a period of severe dust storms that greatly damaged the ecology and agriculture of the US and Canadian prairies during the 1930s; severe drought and a failure to apply dryland farming methods to prevent wind erosion (the Aeolian processes) caused the phenomenon. -
Silent Spring
Silent Spring is an environmental science book by Rachel Carson. The book was published on 27 September 1962 and it documented the detrimental effects on the environment—particularly on birds—of the indiscriminate use of pesticides. -
Clean air act
The Clean Air Act is a United States federal law designed to control air pollution on a national level. It is one of the United States' first and most influential modern environmental laws, and one of the most comprehensive air quality laws in the world. -
Cuyahoga River Fire
The Cuyahoga River Fire took place in 1969 and was caused by an oil slick on the Cuyahoga River - polluted from decades of industrial waste - catching fire on a Sunday morning in June 1969. It took place in Cleveland, causing about $100,000 worth of damage to two railroad. -
National Environmental Policy Act
The National Environmental Policy Act (NEPA) is a United States environmental law that promotes the enhancement of the environment and established the President's Council on Environmental Quality (CEQ). -
Earth Day
Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection. It was first celebrated in 1970, and is now coordinated globally by the Earth Day Network and celebrated in more than 193 countries each year. -
EPA
The United States Environmental Protection Agency is an agency of the Federal government of the United States which was created for the purpose of protecting human health and the environment by writing legislation that achieved these goals. It was founded by Richard Nixon on December 2, 1970 and its current director is Gina McCarthy. -
Clean Water Act
The Clean Water Act (CWA) is the primary federal law in the United States governing water pollution. Enacted in 1948, made effective in 1972 -
Three-mile Island
The Three Mile Island accident was a partial nuclear meltdown that occurred on March 28, 1979, in reactor number 2 of Three Mile Island Nuclear Generating Station (TMI-2) in Dauphin County, Pennsylvania. -
Exxon Valdez
The Exxon Valdez oil spill occurred in Prince William Sound, Alaska, on Good Friday, March 24, 1989, when Exxon Valdez, an oil tanker bound for Long Beach, California, struck the Prince William Sound. -
Fukshima, Japan
The Fukushima Daiichi nuclear disaster was an energy accident at the Fukushima Nuclear Power Plant in Fukushima, initiated primarily by the tsunami following the Tōhoku earthquake on 11 March 2011. Immediately after the earthquake, the active reactors automatically shut down their sustained fission reactions. However, the insufficient cooling led to three nuclear meltdowns and the release of radioactive material beginning on 12 March.