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	<title>The Why Files &#187; Environment</title>
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	<description>The Science Behind The News</description>
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		<title>Gulf of Mexico: Dealing with the Dead Zone</title>
		<link>http://whyfiles.org/2008/gulf-of-mexico-dealing-with-the-dead-zone/</link>
		<comments>http://whyfiles.org/2008/gulf-of-mexico-dealing-with-the-dead-zone/#comments</comments>
		<pubDate>Thu, 03 Jul 2008 20:53:11 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
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		<category><![CDATA[Environment]]></category>
		<category><![CDATA[Environment & pollution]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[agriculture]]></category>
		<category><![CDATA[clover]]></category>
		<category><![CDATA[control dead zone]]></category>
		<category><![CDATA[control fertilizer runoff]]></category>
		<category><![CDATA[corn]]></category>
		<category><![CDATA[dead zone]]></category>
		<category><![CDATA[fertilizer]]></category>
		<category><![CDATA[fish]]></category>
		<category><![CDATA[Gulf of Mexico]]></category>
		<category><![CDATA[hypoxia]]></category>
		<category><![CDATA[low oxygen]]></category>
		<category><![CDATA[marine ecology]]></category>
		<category><![CDATA[Mississippi River]]></category>
		<category><![CDATA[nitrate]]></category>
		<category><![CDATA[nitrogen]]></category>
		<category><![CDATA[phosphorus]]></category>
		<category><![CDATA[shellfish]]></category>
		<category><![CDATA[wetland]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1055</guid>
		<description><![CDATA[When too much fertilizer reaches the Gulf of Mexico through the Mississippi River, a vast area gets robbed of oxygen. What can be done to reduce the dead zone that appears each summer?]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Dramatic Rescue in the Wild!</title>
		<link>http://whyfiles.org/2007/dramatic-rescue-in-the-wilds/</link>
		<comments>http://whyfiles.org/2007/dramatic-rescue-in-the-wilds/#comments</comments>
		<pubDate>Thu, 25 Jan 2007 21:07:40 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Environment]]></category>
		<category><![CDATA[Environment & pollution]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Human Behavior]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Gila Wilderness]]></category>
		<category><![CDATA[New Mexico]]></category>
		<category><![CDATA[psychology]]></category>
		<category><![CDATA[soul]]></category>
		<category><![CDATA[spirit]]></category>
		<category><![CDATA[value of wilderness]]></category>
		<category><![CDATA[wilderness rescue]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=944</guid>
		<description><![CDATA[Woman is rescued in wilderness after 5-week ordeal. What is so great about wilderness, and why do so many people think they need it to soothe their souls?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/dramatic-rescue-in-the-wilds/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Winter&#8217;s Weird Weather: What&#8217;s the Cause?</title>
		<link>http://whyfiles.org/2007/weirdest-winter-weather-whats-the-cause/</link>
		<comments>http://whyfiles.org/2007/weirdest-winter-weather-whats-the-cause/#comments</comments>
		<pubDate>Thu, 11 Jan 2007 16:43:14 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Atmospheric science]]></category>
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		<category><![CDATA[Earth Science]]></category>
		<category><![CDATA[Earth and Space Science]]></category>
		<category><![CDATA[Energy in the earth system]]></category>
		<category><![CDATA[Environment]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Natural hazards]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Weather & Climate]]></category>
		<category><![CDATA[climatology]]></category>
		<category><![CDATA[El Niño]]></category>
		<category><![CDATA[global warming]]></category>
		<category><![CDATA[La Nina]]></category>
		<category><![CDATA[north atlantic oscillation]]></category>
		<category><![CDATA[Pacific Ocean]]></category>
		<category><![CDATA[warm winter weather]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=616</guid>
		<description><![CDATA[Some call it Fall. Some call it spring. But nobody in the Midwest, East Coast or Northern Europe is calling it "winter." What's up with our weather?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/weirdest-winter-weather-whats-the-cause/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>National Parks: Space for Snowmobiles and Science?</title>
		<link>http://whyfiles.org/2004/the-national-parks/</link>
		<comments>http://whyfiles.org/2004/the-national-parks/#comments</comments>
		<pubDate>Thu, 30 Dec 2004 14:56:53 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Environment]]></category>
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		<category><![CDATA[Environmental quality]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[amphibian]]></category>
		<category><![CDATA[conservation]]></category>
		<category><![CDATA[endangered species]]></category>
		<category><![CDATA[everglades]]></category>
		<category><![CDATA[invasive species]]></category>
		<category><![CDATA[national park]]></category>
		<category><![CDATA[parkland]]></category>
		<category><![CDATA[pollution]]></category>
		<category><![CDATA[shenandoah]]></category>
		<category><![CDATA[smoky mountains]]></category>
		<category><![CDATA[snowmobile]]></category>
		<category><![CDATA[swamp]]></category>
		<category><![CDATA[wetland]]></category>
		<category><![CDATA[Yellowstone]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=7</guid>
		<description><![CDATA[As the administration allows more snowmobiles to buzz through Yellowstone, scientists cry foul. Are the parks more than playgrounds?m Scientists  call for more money for  basic research, but the Bush administration favors recreation.]]></description>
		<wfw:commentRss>http://whyfiles.org/2004/the-national-parks/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Salmon au Flame Retardant</title>
		<link>http://whyfiles.org/2004/salmon-n-pbde/</link>
		<comments>http://whyfiles.org/2004/salmon-n-pbde/#comments</comments>
		<pubDate>Thu, 19 Aug 2004 19:00:43 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Animals]]></category>
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		<category><![CDATA[Environment]]></category>
		<category><![CDATA[Environment & pollution]]></category>
		<category><![CDATA[Food]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Health]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[aquaculture]]></category>
		<category><![CDATA[brominated flame retardant]]></category>
		<category><![CDATA[estrogen disruptor]]></category>
		<category><![CDATA[farmed salmon]]></category>
		<category><![CDATA[PBDE]]></category>
		<category><![CDATA[wild salmon]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=697</guid>
		<description><![CDATA[Feeling burned? Farmed salmon have higher levels of a brominated flame retardant than wild salmon. ]]></description>
		<wfw:commentRss>http://whyfiles.org/2004/salmon-n-pbde/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Climate Change: It Can Happen Fast!</title>
		<link>http://whyfiles.org/2004/climate-change/</link>
		<comments>http://whyfiles.org/2004/climate-change/#comments</comments>
		<pubDate>Wed, 30 Jun 2004 19:36:49 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Atmospheric science]]></category>
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		<category><![CDATA[By Theme]]></category>
		<category><![CDATA[Earth and Space Science]]></category>
		<category><![CDATA[Environment]]></category>
		<category><![CDATA[Environment & pollution]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Weather & Climate]]></category>
		<category><![CDATA[abrupt climate change]]></category>
		<category><![CDATA[ancient climate]]></category>
		<category><![CDATA[climate feedback]]></category>
		<category><![CDATA[Day After Tomorrow]]></category>
		<category><![CDATA[methane hydrate]]></category>
		<category><![CDATA[Movie]]></category>
		<category><![CDATA[new ice age]]></category>
		<category><![CDATA[ocean conveyor]]></category>
		<category><![CDATA[rapid global warming]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=813</guid>
		<description><![CDATA[Evidence from ice cores in Greenland and Antarctica show how fast the climate has changed in the past. In this era of global warming, you can't count on a slow, gradual, predictable warming.]]></description>
		<wfw:commentRss>http://whyfiles.org/2004/climate-change/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Mercury Pollution: How to Respond</title>
		<link>http://whyfiles.org/2004/mercury-pollution/</link>
		<comments>http://whyfiles.org/2004/mercury-pollution/#comments</comments>
		<pubDate>Thu, 06 May 2004 18:27:03 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Environment & pollution]]></category>
		<category><![CDATA[Environmental quality]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[air pollution regulation]]></category>
		<category><![CDATA[air pollution science]]></category>
		<category><![CDATA[birth defects]]></category>
		<category><![CDATA[Bush Administration]]></category>
		<category><![CDATA[Environmental Protection Agency]]></category>
		<category><![CDATA[Faeroes]]></category>
		<category><![CDATA[fish advisories]]></category>
		<category><![CDATA[health effects of mercury]]></category>
		<category><![CDATA[mercury air pollution]]></category>
		<category><![CDATA[New Zealand studies]]></category>
		<category><![CDATA[Seychelles]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=629</guid>
		<description><![CDATA[How should we deal with mercury air pollution in air, fish and water? Why do the studies of mercury consumption not agree? What to do when the studies conflict...]]></description>
		<wfw:commentRss>http://whyfiles.org/2004/mercury-pollution/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Soil Matters: More than You Think!</title>
		<link>http://whyfiles.org/2004/soil-matters/</link>
		<comments>http://whyfiles.org/2004/soil-matters/#comments</comments>
		<pubDate>Thu, 08 Apr 2004 18:45:02 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Food]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Other]]></category>
		<category><![CDATA[Personal and community health]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Populations, resources, and environments]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Structure and function in living systems]]></category>
		<category><![CDATA[agriculture]]></category>
		<category><![CDATA[crops]]></category>
		<category><![CDATA[dirt]]></category>
		<category><![CDATA[erosion]]></category>
		<category><![CDATA[farming]]></category>
		<category><![CDATA[salinization]]></category>
		<category><![CDATA[soil]]></category>
		<category><![CDATA[soil fertility]]></category>
		<category><![CDATA[sustainable development]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=640</guid>
		<description><![CDATA[History shows societies collapse without soil. What can the world cando to keep our dirt clean?]]></description>
		<wfw:commentRss>http://whyfiles.org/2004/soil-matters/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Wilderness Debate</title>
		<link>http://whyfiles.org/2003/wilderness-debate/</link>
		<comments>http://whyfiles.org/2003/wilderness-debate/#comments</comments>
		<pubDate>Fri, 01 Aug 2003 18:49:10 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Animals]]></category>
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		<category><![CDATA[Environment]]></category>
		<category><![CDATA[Environment & pollution]]></category>
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		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Populations, resources, and environments]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[all-terrain vehicles]]></category>
		<category><![CDATA[Effects of roads]]></category>
		<category><![CDATA[habitat corridors]]></category>
		<category><![CDATA[habitat fragmentation]]></category>
		<category><![CDATA[invasive species]]></category>
		<category><![CDATA[island biogeography]]></category>
		<category><![CDATA[national forests]]></category>
		<category><![CDATA[species conservation]]></category>
		<category><![CDATA[weeds]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=645</guid>
		<description><![CDATA[In a wilderness, roads can interrupt migration corridors; kill wildlife through vehicle impacts, block movement of surface water;  compact soil, harming burrowing animals and changing groundwater flow; cause air pollution and traffic noise; and allow invasive species to enter.]]></description>
		<wfw:commentRss>http://whyfiles.org/2003/wilderness-debate/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Food Pyramid Gets Facelift</title>
		<link>http://whyfiles.org/2003/food-pyramid-gets-facelift/</link>
		<comments>http://whyfiles.org/2003/food-pyramid-gets-facelift/#comments</comments>
		<pubDate>Thu, 19 Jun 2003 14:15:17 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Bio brainstorms]]></category>
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		<category><![CDATA[Disease and Treatment]]></category>
		<category><![CDATA[Environment]]></category>
		<category><![CDATA[Food]]></category>
		<category><![CDATA[Geochemical cycles]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Health]]></category>
		<category><![CDATA[Obesity]]></category>
		<category><![CDATA[Personal health]]></category>
		<category><![CDATA[Population growth]]></category>
		<category><![CDATA[Science and technology in society]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[carbohydrates]]></category>
		<category><![CDATA[fat]]></category>
		<category><![CDATA[food pyramid]]></category>
		<category><![CDATA[meal]]></category>
		<category><![CDATA[nutrition]]></category>
		<category><![CDATA[USDA]]></category>
		<category><![CDATA[vitamins]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=677</guid>
		<description><![CDATA[To battle the bulging waistline, the feds have devised 12 food pyramids to help choose a lifestyle that balances nutrition and excercise. Is this mound helpful?]]></description>
		<wfw:commentRss>http://whyfiles.org/2003/food-pyramid-gets-facelift/feed/</wfw:commentRss>
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