Scientists are asking: What is the best way to fight climate change? A new study says: Plant many trees; one trillion trees, maybe more. Swiss scientists say there is enough room for that many trees. In their report in the journal Science, they say even with existing cities and farmland, there is enough space for new trees to cover nine million square kilometers. That is about the size of the United States. Trees take carbon dioxide out of the air, and in return, put oxygen back into the air. The study estimated that over a long period of time, the trees could take in almost 750 billion tons of carbon dioxide from the atmosphere. That is about as much carbon as humans have put into the atmosphere in the past 25 years.
Title: How to Fight Climate Change? Plant a Trillion Trees
Content: <div id='article-page'><div id='article-content' data-media-url='//news-app-staging.s3.amazonaws.com' data-base-url='//news-app-staging.herokuapp.com' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/29956ade-39a9-4f9f-8c23-3b7867589766_hq.wav' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='How to Fight Climate Change? Plant a Trillion Trees' data-article-id='3963'><script src='//news-app-staging.herokuapp.com/javascripts/getscripts.js'></script><link rel='stylesheet' href='//news-app-staging.herokuapp.com/stylesheets/article.css' type='text/css' /><div class='article'><p><span data-start-time='0' data-end-time='7500'>Scientists are asking: What is the best way to fight climate change?</span> <span data-start-time='7500' data-end-time='17021'>A new study says: Plant many trees; one trillion trees, maybe more.</span> <span data-start-time='17021' data-end-time='24604'>Swiss scientists say there is enough room for that many trees.</span> <span data-start-time='24604' data-end-time='41979'>In their report in the journal Science, they say even with existing cities and farmland, there is enough space for new trees to cover nine million square kilometers.</span> <span data-start-time='41979' data-end-time='46771'>That is about the size of the United States.</span> <span data-start-time='46771' data-end-time='58146'>Trees take carbon dioxide out of the air, and in return, put oxygen back into the air.</span> <span data-start-time='58146' data-end-time='74833'>The study estimated that over a long period of time, the trees could take in almost 750 billion tons of carbon dioxide from the atmosphere.</span> <span data-start-time='74833' data-end-time='86708'>That is about as much carbon as humans have put into the atmosphere in the past 25 years.</span> </p></div><div class='control-buttons-sticky' style='display:none;'><div class='control-buttons'><button title='Back' class='back' disabled='disabled'></button><button title='Play' class='play' disabled='disabled'></button><button title='Pause' class='pause' style='display:none;'></button><button title='Forward' class='forward' disabled='disabled'></button><button class='finished-reading' style='display:none;'>Done</button></div></div></div><div id='article-media'><div id='media-image'><img src='https://news-app-production.s3.amazonaws.com/articles/3483/2C735B5E-AE01-4FDB-82E3-D5E7972660BE_cx0_cy6_cw0_w1023_r1_s.jpg'/></div></div><div id='question-content' style='display:none;'><div class='vocabulary_question question-container' data-question-id=13231 data-hint-location='58146' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/what_is_an_atmosphere.wav'>What is an atmosphere?</div><div class='choices' data-correct-choice='the envelope of gases surrounding the earth or another planet'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/the_necessary_items_for_a_particular_purpose.wav'><span>the necessary items for a particular purpose</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/the_way_someone_feels.wav'><span>the way someone feels</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/the_act_of_destroying_media.wav'><span>the act of destroying media</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/the_envelope_of_gases_surrounding_the_earth_or_another_planet.wav'><span>the envelope of gases surrounding the earth or another planet</span></div></div></div><div class='multiple_choice_question question-container' data-question-id=13232 data-hint-location='46771' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/trees_take_carbon_dioxide_out_of_the_air_and_in_return_put_what_back_into_the_air.wav'>Trees take carbon dioxide out of the air, and in return, put what back into the air?</div><div class='choices' data-correct-choice='oxygen'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/oxygen.wav'><span>oxygen</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/nitrogen.wav'><span>nitrogen</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/water.wav'><span>water</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/radio_waves.wav'><span>radio waves</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=13233 data-hint-location='41979' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/that_is_about_the_size_of_the__blank_.wav'>That is about the size of the <span class='blank'>United States</span>.</div><div class='choices' data-correct-choice='United States'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/united_states.wav'><span>United States</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/new_york_city.wav'><span>New York City</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/pacific_ocean.wav'><span>Pacific Ocean</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3483/south_pole.wav'><span>South Pole</span></div></div></div><div class='question-buttons'><button class='skip-button'></button><button class='hint-button'></button><button class='speak-button'></button></div></div></div>
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