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Air Pollution (grade levels 4-8)

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Air Pollution Next post in series Samuel Desai Many environmental activists, unlike me, like to say that pollution is an important issue. I prefer to categorize them into three different topics. Air Pollution, Water Pollution, Noise Pollution, and Light Pollution. The other types of pollution are for another week but don't worry, you will hear about them soon. You may believe that Carbon Dioxide (CO2) it the only pollutant, but it isn't. There are others. One type is methane gas, emitted by livestock and swamps. Another CFC's or chlorofluorocarbons which were used in refrigerators, hairspray, and many other things. But they were banned internationally in 2010 because of its deteriorating effect on the ozone layer. Personally, I think that the pollutant which harms us the most is sulfur dioxide. Sulfur Dioxide is a component in smog, but also reflects sunlight out into space, causing a global cooling. This may seem good, but sulfur dioxide is directly link...
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Natural Resources- Gone? | 4-8

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By: Samuel Desai Next Post - Previous Post The population on earth is growing, at about 7.5 billion and still growing , we need more natural resources every day. And we can't take these resources forever.There are many different resources we need to save. Oil Oil is one of those resources which we will lose very soon. If we continued to consume it at our current rate, our oil supply would run dry in 45 years , but our consumption rates of oil should continue to increase, lasting us about 25 more years. Consequences: Possible transition to renewable energy :) Shrinks economies like Russia's (built on oil) less transport to places Water Water is one of the most fought over resources in the modern  world. Climate Change is causing severe worldwide droughts. Only 2.5% of the worlds water is fresh. Of that 2.5%, 70% of it is locked up in glaciers. Of that amount (.75%), 10% is used for drinking. THAT ONLY LEAVES .075% of the worlds water to drink, w...
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Our Waste-- How do we Dispose of it? | 4-8

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Next Post -- Previous Post Living in the 21st century, our world has to deal with the problems of disposing of our waste. And we are faced with that problem if disposing of our waste. According to the United States EPA, we threw out 570 billion pounds of waste in 2007, where should we put all that waste? The Truth I know this is old data, but I have to admit something. The United States accounts for only 4 percent of the world's population, but guess what? The waste from people in our country accounts for just about 30% of the world's waste. We are headed into the inevitable, we need to reduce our waste. The Great Pacific Trash Heap(s) The Great Pacific Trash Heaps are two floating islands of trash which are stationary because of the currents. You'd think it would be really easy to clean up, but it isn't. You see, there are more than 100 million tons of it there. And it gets harder and harder to clean up. Most of the trash there is plastic, which d...
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