Greenhouse Effect(温室效应).pptx

Our globe is in danger!;;The so-called greenhouse effect is short-wave solar radiation through the atmosphere into the ground, and warming the ground after the length of radiation being released in the atmosphere by absorbing carbon dioxide and other substances, thereby creating the effect of atmosphere warming. ;Greenhouse gas;Greenhouse gas;Greenhouse gas emissions;;Abnormal weather patterns Negative impact on agricultural production More plant diseases and insect pests(病虫害) More desertification Rises in sea level Flood ;phenomena;The effects of Global warming can have many unforeseen side effects, such as the melting of some of the earth’s ice stored in it’s poles and it’s glaciers.;A worldwide greenhouse effect might produce a dangerously warmer world. Since the later 19th century, the average global temperature has increased between 0.3℃ and 0.6℃. Internationally, 2010 was the hottest year on record since official weather records first started being kept by the British in about 1860. ;Estimates of global averages;Global warming – worriesrising sea levels;;Take the public transportation Don‘t set off the firecrackers(爆竹) Use solar Afforestation(造林) Burn less fuel Protect plants Consume less wood Understand relevant knowledge Be volunteers Support environmental protection commonwealth(全体公民) Live simple! … ;As long as we try, we will succeed!