earth day

By mazen15
  • first photo of earth from space

    first photo of earth from space
    On 24 October 1946, rocket scientists captured the first images of Earth taken from space. The first photograph of Earth from space, taken on 24 October 1946. This is the first photograph of Earth ever taken from space.
  • paul ehrlich butterfly studies

    paul ehrlich butterfly studies
    Ehrlich's research on the natural populations of checkerspot butterflies)is one of the most thorough analyses extant of the structure, dynamics, genetics, and behavior of an invertebrate population, and it constitutes a major achievement of field population biology.
  • rachel carsons silent spring

    rachel carsons silent spring
    She spent her last years courageously defending the truth of her conclusions until her untimely death in 1964. Silent Spring inspired the modern environmental movement, which began in earnest a decade later. It is recognized as the environmental text that “changed the world.”
  • smog death

    smog death
    Louis, and Philadelphia. New York City's air pollution was reportedly the worst of any American city. ... An estimated 220–240 deaths were caused by the six-day 1953 smog, and an estimated 300–405 deaths were caused by the two-week 1963 smog.
  • santa barbara oil spill

    santa barbara oil spill
    The Santa Barbara oil spill of 1969 spewed an estimated 3-million gallons of crude oil into the ocean, creating an oil slick 35 miles long along California's coast and killing thousands of birds, fish and sea mammals.
  • cuyahoga river fire

    cuyahoga river fire
    The cuyahoga river fire dramatized the extent of the river's pollution and the ineffectiveness of the city's lagging pollution abatement program. The fire, which witnesses reported reached as high as 5 stories, began at 12 P.M. and lasted about 20 minutes before it was brought under control.
  • first earth day

    first earth day
    That's what Senator Gaylord Nelson of Wisconsin believed. He was disturbed that an issue as important as our environment was not addressed in politics or by the media, so he created the first Earth Day, on April 22, 1970. An estimated 20 million people nationwide attended festivities that day.
  • enviormntal protection agency

    enviormntal protection agency
    an agency of the United States federal government whose mission is to protect human and environmental health. Headquartered in Washington, D.C., the EPA is responsible for creating standards and laws promoting the health of individuals and the environment.
  • national oceanic and atmospheric administration

    national oceanic and atmospheric administration
    The National Oceanic and Atmospheric Administration is an American scientific agency within the United States Department of Commerce that focuses on the conditions of the oceans, major waterways, and the atmosphere.
  • national enviormental policy act

    national enviormental 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). ... These reports state the potential environmental effects of proposed Federal agency actions.
  • clean water act

    clean water act
    The Clean Water Act establishes the basic structure for regulating discharges of pollutants into the waters of the United States and regulating quality standards for surface waters. ... The CWA made it unlawful to discharge any pollutant from a point source into navigable waters, unless a permit was obtained
  • marine mammal protection act

    marine mammal protection act
    The Marine Mammal Protection Act was enacted on October 21, 1972. ... The MMPA prohibits, with certain exceptions, the "take" of marine mammals in U.S. waters and by U.S. citizens on the high seas, and the importation of marine mammals and marine mammal products into the U.S.
  • ddt is band in US

    ddt is band in US
    The United States banned the use of DDT in 1972, but some countries still use the chemical. ... It is still in use outside the United States for the control of mosquitoes that spread malaria. DDT and its related chemicals persist for a long time in the environment and in animal tissues.
  • endangered species act

    endangered species act
    The Endangered Species Act provides a program for the conservation of threatened and endangered plants and animals and the habitats in which they are found. ... The law also prohibits any action that causes a "taking" of any listed species of endangered fish or wildlife
  • toxic substances control act

    The Toxic Substances Control Act of 1976 provides EPA with authority to require reporting, record-keeping and testing requirements, and restrictions relating to chemical substances and/or mixtures. Certain substances are generally excluded from TSCA, including, among others, food, drugs, cosmetics and pesticides.
  • love canal disaster and superfund legislation

    love canal disaster and superfund legislation
    This was the first time in American history that emergency funds were used for a situation other than a natural disaster. ... Congress passed the Comprehensive Environmental Response, Compensation, and Liability Act, better known as the Superfund Act. Love Canal became the first entry on the list.
  • montreal protocol

    montreal protocol
    The Montreal Protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. It was agreed on 16th September 1987, and entered into force on 1st January 1989.