Read the first two paragraphs of an essay. which sentence most clearly shows that this is a persuasive essay?

climate change is a real and present danger to earth. it can cause permanent damage to our planet. we must create and promote a recycling policy to reduce the harmful effects of climate change. recycling is an easy habit to take on, and it can us stop changes in our climate. several scientific studies have shown that climate change is happening because of the increasing levels of carbon dioxide in the air. these studies have also shown that the higher levels of carbon dioxide are partly the result of the decreasing forests. the trees in forests absorb carbon monoxide in the air. but forests are being chopped down to make paper products. to decrease the loss of forest areas and carbon dioxide levels, we should recycle paper products.