population reaches 1 billion


Yellowstone National Park (Theodore Roosevelt)

April 1, 1872

Wyoming, Montana and Idaho are Known as the First National Parks in the U.S.

Establishment of National Forest (Gifford Pinchot)


In 1891 congress authorized the president to establish forest reserves.

Lacey Act

May 25, 1900

Conservation law in u.s. prohibits trade in wildlife fish and plants that have been illegally taken, possessed transposed or sold.

B.P. Oil Spill

April 20, 1910

Gulf of Mexico, Biggest marine oil spill in history of the petroleum industry killing 11 people and injuring 17.

Migratory Bird Act

1916 - 1918

Protection of migratory birds u.s. and great Britain on behalf of Canada.

Wangari Maathai born

01/01/1940 - 12/31/1940

internationally renowned Kenyan environmental political activist and Nobel laureate.

Public Health Service Act

July 1, 1944

It gave the United States Public Health Service responsibility for preventing the introduction, transmission and spread of communicable diseases from foreign countries into the United States.

Aldo Leopold published A Sound County Almanac


Aldo Leopold an ecologist and environmentalist was the author of a non-fiction book.

Population reaches 3 billion


Antarctic treaty system

December 1, 1959

Sets aside Antarctica as a scientific preserve, establishes freedom of scientific investigation and bans military activity on that continent.

Silent Spring Published (Rachel Carson)

September 27, 1962

A book written by Rachel Carson that voiced concerns from environmentalists launching the Environmentalist Movement.

Clean Air Act

December 17, 1963

An act to improve, strengthen, and accelerate programs for the prevention and abatement of air pollution.

Wilderness Act

September 3, 1964

This act was created as a National wilderness Preservation system.

Water Quality Act


This act required states to issue water quality acts and authorized the Federal water pollution control administration.

Wild & Scenic Rivers Act

October 2, 1968

The commission recommended that the nation protect wild rivers and scenic rivers from development that would substantially change their wild or senic nature.

National Environmental Policy Act

January 1, 1970

U.S. environmental law promoting the enhancement of the environment and established the presidents council on environmental equality (CEQ).

First Earth Day (John Muir)

April 22, 1970

It is an international day of celebration and awareness for environmental issues launched by conservationists. The event fell after the noted Conservationist John Muir's birth.

EPA Formed, Washington D.C.

December 2, 1970

President Nixon proposed the EPA and it began after he signed an executive order establishing it.

DDT Banned


Dichlorodiphenyltrichloroethane in insecticide which is used in agriculture was banned because of its health affects.

U.N. Environmental Programe

June 5, 1972

U.N. and coordinates its environmental activities assisting developing countries in implementing environmentally sound policies and practices.

Clean Water Act

October 18, 1972

objective is to restore and maintain the chemical, physical, and biological integrity of the nation's waters by preventing point and non point pollution sources.

Ocean Dumping Act

October 23, 1972

This act regulates what is transported and dumped into ocean waters.

Endangered Species Act


This act was passed in order to protect plants and animals at risk of becoming extinct.

CITES Treaty Signed

March 1973

An agreement that aims to ensure international trade of wild animals and plants doesn't threaten their survival.

OPEC Oil Embargo

10/20/1973 - 03/1974

OPEC extended to others supporting Israel; Netherlands, Portugal, South Africa and Banned petroleum exports to those.

Population reaches 5 Billion


Safe Water Drinking Act


This act was passed by congress to regulate public drinking water supply in order to protect citizens health.

World Environment Day

June 5, 1974

United Nation's principal vehicle for encouraging worldwide awareness and action for the protection of our environment.

Toxic Substances Control Act

October 11, 1976

This act regulates introduction of new or already existing chemicals.

Resources Conservation & Recovery Act (Gifford pinchot)

October 21, 1976

Principal federal law in the U.S. governing the disposal of solid waist and hazardous waste.

Alternative Energy Institute


Texas A&M University launched an alternative energy research branch in response to the 1973 oil crisis.

Love Canal Disaster (Lois Gibbs)


Landfall contaminated by hooked chemical then sold to city after being covered up.

Three Mile Island Accident

Mar 28, 1979

At a power plant in Middletown,Pennsylvania there was a nuclear meltdown which caused an escape of radiation over a 16 mile radius.

Union Corbide plant explosion

December 23, 1984

India. Bhopal, worlds worst industrial disaster- toxic gas leak - at least 3,787 deaths counted - 16,000 reported, 558, 125 injured.

Chernobyl Disaster

April 26 1986

was known during the Soviet times, consisted of four reactors of type RBMK-1000, each capable of producing 1,000 megawatts of electric power

Montreal Protocol

January 1, 1989

International treaty designed to protect the ocean cougar by phasing out production of numerous substances.

Exxon Valdez Oil Spill

March 24, 1989

The Exxon Vadez was an oil tanker that crashed into a reef in Alaska causing millions of gallons of oil to be dumped into the ocean.

Gulf War Oil Spill

January 16, 1991

Largest oil spills in history, resulting from the Gulf War.

First U.N. Earth Summit

June 13, 1992

Message: make necessary - towards poverty and excessive consumption demanding.

CFC's banned


Chlorofluorocarbons is a group of chemical compounds banned because they destroy the ozone layer.

Food Quality Protection Act

August 3, 1996

Standardized the way the Environmental Protection Agency (EPA) would manage the use of pesticides and amended the Federal Insecticide, Fungicide, and Rodenticide Act and the Federal Food Drug...

World Food Summit

November 13, 1996

Rome - resulted in the adoption of the Rome Declaration on World Food Security in which member states stated to "pledge our political will and our common and national commitment to achieving food security for all and to an ongoing effort to eradicate hunger in all countries, with an immediate view to reducing the number of undernourished people to half their present level no later than 2015.

Surface Mining Control and Reclamation Act

August 3, 1997

Two Programs: one for regulating active coal mines one for re-cleaning abandoned mine lands.

Julia Hill

December 10, 1997 - December 18, 1999

She wrote a book called The Legacy of Luna.

Kyoto Protocol

December 11, 1997

International treaty which extends the 1992 United Nations Framework Convention on Climate Change

Energy Policy Act


This bill was passed by the United States congress and was intended to increase the supply of energy.

Population reaches 7 bIllion