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Global warming
- 2. • Global warmingis the temperature rising each year. • Scientists say that the earth has warmed up about 1 degree Fahrenheit in the last 100 years. • The rate of change is speeding up, 100 years from now scientists say that the earth will be 10 degree hotter!
- 3. • Global warmingis caused by CO2 and other gases such as Methane given off by burning fuel and wood. • These gases are called by green house gases mainly produced by the factories and cars. • Green house gases lets in heat, but doesn’t let the heat get out.
- 4. • Some solarradiation passes through the clear atmosphere. Most radiation is absorbed by the earth and warm it. • Some of the infrared radiation passes through the atmosphere, and some is absorbed and re- emitted in all directions by green house molecule. The effect of this is to warm the earth’s surface and the atmosphere.
- 5. • Global warmingisn’t all bad, without it we could freeze to death. • But other than that, there’s is nothing that’s good about global warming.
- 6. • If thereis too much greenhouse gases the polar ice caps would melt and flood low lying land. • Too much global warming can also cause more forest fires and stronger hurricanes. • It can also become the cause of the end of the world because, it would warm up the earth so much the earth would blow up.
- 7. • Global warmingis happening constantly. And it’s our fault. • Global warming is also happening world widely. • A new gas called trifluoromethyl sulfur pentaflouride is generate heat more than other known green house gases. Although it is very rare in atmosphere.
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- 9. • We canslow down Global warming by riving hybrids, riding bikes, and walking a little more. • We can also help by using cleaner energy sources such as solar power, wind power and hydro power.
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