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MAKING CLIMATE MODELS


                          One way to study the climate is to go somewhere that

                          is strongly affected by it. Scientists often travel to these

                          places to gather samples, take pictures, or observe


                          ecosystems. But they

                          also use technology

                          to help them study                     HUMAN ACTIVITY

                          climate change.                        CAUSING WARMING

                                                                 Some human activity adds
                                One of these                     greenhouse gases to the air.
                                                                 Burning fossil fuels such as
                          technologies is a
                                                                 coal and oil creates carbon
                          climate model. A                       dioxide. Fossil fuels are often

                          climate model uses                     burned to power machines
                                                                 and cars. People drive cars
                          math equations. The                    every day. They work in

                          equations predict how                  factories or use machines
                                                                 daily too. In 2016 China and
                          a change in the climate                the United States each added

                          could affect the world’s               more carbon dioxide to the
                                                                 air than any other country.
                          ocean, air, land, or ice.
                                                                 In the United States, the
                          The models use a lot                   biggest amounts of carbon
                                                                 dioxide were from electricity,
                          of information, such as
                                                                 transportation, and industry.
                          air temperature and



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          ABD_CLIM_STDY_FPGS.indd   9                                                             4/24/20   11:59 AM
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