... will produce if the amount of human-generated greenhouse gases is not significantly reduced in the very near future. Gore also presents Antarctic ice coring data showing CO2 levels higher now than in the past 650,000 years. The film includes segments intended to refute critics who ... say that global warming is unproven or that warming will be insignificant. For example, Gore discusses the possibility of the collapse of a major ice sheet in Greenland or inWest Antarctica, either of which could raise global sea levels by approximately 20 feet, flooding coastal areas and produc...

• Word Count: 6155
• Approx Pages: 25
• Grade Level: Undergraduate

... Earth could not be sustained without the natural greenhouse effect. Weather stations, balloons, ocean buoys, and satellites tell us the Earth's temperature today. Ice cores, sediment layers, and tree rings tell us about what the Earth's climate has been like in the past. With this evidence, scientists ... next one hundred years. This may not sound like much, but it could change the Earth's climate as never before. At the peak of the last ice age (18,000 years ago), the temperature was only 7 ∘F colder than it is today, and glaciers covered much of North America! Even a ... the sam...

• Word Count: 3240
• Approx Pages: 13
• Grade Level: Undergraduate

... between 1975 and the 1990's. Nine of the eleven hottest years in the twentieth century have occurred in the last ten years. In addition, studies done on tree rings, corals, ice cores, and historical data prove that the 1990's are the warmest decade in at least the last 1000 years. The Intergovernmental Panel on Climate Change foresees an increase of one ... to 1140 in an average summer in 2050. With global warming there will be in increase in the frequency and intensity of extreme weather events such as drought, floods and storms. Global warming will cause vermin to spread to new suitab...

• Word Count: 880
• Approx Pages: 4

... between 1975 and the 1990's. Nine of the eleven hottest years in the twentieth century have occurred in the last ten years. In addition, studies done on tree rings, corals, ice cores, and historical data prove that the 1990's are the warmest decade in at least the last 1000 years. The Intergovernmental Panel on Climate Change foresees an increase of one ... to 1140 in an average summer in 2050. With global warming there will be in increase in the frequency and intensity of extreme weather events such as drought, floods and storms. Global warming will cause vermin to spread to new suitab...

• Word Count: 880
• Approx Pages: 4