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Responding to climate change involves two possible approaches: reducing and stabilizing the levels of heat-trapping greenhouse gases in the atmosphere (“mitigation”) and/or adapting to the climate change already in the pipeline (“adaptation”).
Read MoreWater covers 70 percent of Earth’s surface and is a vital resource for people, organisms and the environment. Water pollution occurs when there is any physical, chemical or biological change to the quality of water bodies—rivers, lakes, oceans and ground water—that has harmful effects on any living thing that uses or lives in it. Causes of water pollution include untreated sewage and waste from domestic households, industrial and agricultural activities, oil spills and euthrophication.
Read MoreVariety is the spice of life, an old saying goes. It’s also the price of life: Without a variety of life -- biodiversity -- ecosystems suffer. Ecosystems include all the things, living and nonliving, needed for the health of a particular area. Damaging biodiversity damages ecosystems because an ecosystem’s components are interdependent. Human life is affected, too. For instance, damaging a region’s insect life can interfere with pollination, which in turn affects the ability of plants to produce fruits and vegetables. Protecting biodiversity, then, also protects human interests.
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