CONSERVATION ISSUES

Conservation issues are a growing concern for most scientists. As humans continue to consume natural resources, many organisms are headed for extinction. Conservation issues include the protection of trees, animals and wetlands.
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Is there enough food on Earth to sustain the people on it?

Despite the world's rebound from the 2008 food crisis, high food prices continue to be a problem. What is food security, and why is it so important to our future on Earth?

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  • Extinction

    Extinction

    Extinction, the permanent disappearance of species of organisms from the earth. Extinction is usually due to more than one cause. See more »

  • Garbage and Refuse Disposal

    Garbage and Refuse Disposal

    Garbage and Refuse Disposal, the collection and dumping or destruction of food waste and other discarded material. See more »

  • Home Aquariums

    Home Aquariums

    Aquariums are popular decorative features in homes, offices, and even restaurants. See more »

  • Insecticide

    Insecticide

    Insecticide, a substance that destroys insects by chemical action. Some insecticides also destroy mites, ticks, and spiders. See more »

  • Irrigation

    Irrigation

    Irrigation, the artificial application of water to soil to produce plant growth. In the broadest sense, irrigation includes watering a lawn or garden. See more »

  • Izaak Walton League of America

    Izaak Walton League of America

    Izaak Walton League of America, an organization dedicated to preserving the nation's natural outdoor recreational resources. See more »

  • Pollution

    Pollution

    Pollution, the presence of harmful or irritating substances, called pollutants, in the environment. See more »

  • Reclamation

    Reclamation

    Reclamation, making land suitable for human use, usually through irrigation or drainage. See more »

  • Sewage

    Sewage

    Sewage, the mixture of water and waste products carried off through a drainage system of underground pipes, or sewers. See more »

  • Sierra Club

    Sierra Club

    Sierra Club, a United States organization concerned with the preservation of the world's natural environment. See more »

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