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	<title>The Why Files &#187; Environmental quality</title>
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		<item>
		<title>No joke: Laughing gas attacks ozone!</title>
		<link>http://whyfiles.org/2009/no-joke-laughing-gas-attacks-ozone/</link>
		<comments>http://whyfiles.org/2009/no-joke-laughing-gas-attacks-ozone/#comments</comments>
		<pubDate>Thu, 03 Sep 2009 20:19:42 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[ultraviolet radiation]]></category>
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		<guid isPermaLink="false">http://whyfiles.org/?p=2773</guid>
		<description><![CDATA[The ozone layer protects Earth from UV rays: Twenty-two years after a treaty to protect ozone, how is the layer doing? What has happened to the ozone hole above Antarctica?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/no-joke-laughing-gas-attacks-ozone/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Fertilizing the ocean</title>
		<link>http://whyfiles.org/2009/fertilizing-the-ocean/</link>
		<comments>http://whyfiles.org/2009/fertilizing-the-ocean/#comments</comments>
		<pubDate>Thu, 06 Aug 2009 23:57:17 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[iron fertilization]]></category>
		<category><![CDATA[iron seeding]]></category>
		<category><![CDATA[john martin]]></category>
		<category><![CDATA[martin hypothesis]]></category>
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		<guid isPermaLink="false">http://whyfiles.org/?p=2702</guid>
		<description><![CDATA[As Earth warms, should we try huge geoengineering projects to cool the climate? Would adding iron to fertilize ocean plants withdraw enough carbon dioxide to slow warming -- or backfire?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/fertilizing-the-ocean/feed/</wfw:commentRss>
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		<title>Bush creates huge Pacific reserves</title>
		<link>http://whyfiles.org/2009/bush-creates-huge-pacific-reserves/</link>
		<comments>http://whyfiles.org/2009/bush-creates-huge-pacific-reserves/#comments</comments>
		<pubDate>Sun, 25 Jan 2009 20:13:11 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Interdependence of organisms]]></category>
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		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[Populations and ecosystems]]></category>
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		<category><![CDATA[clam environmental protection]]></category>
		<category><![CDATA[coral]]></category>
		<category><![CDATA[effectiveness of marine protected areas]]></category>
		<category><![CDATA[fish]]></category>
		<category><![CDATA[George Bush]]></category>
		<category><![CDATA[Marianas trench]]></category>
		<category><![CDATA[marine reserves]]></category>
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		<category><![CDATA[Palmyra Atoll]]></category>
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		<guid isPermaLink="false">http://whyfiles.org/?p=1161</guid>
		<description><![CDATA[Three giant new reserves, extend 50 miles out from shore, will protect coral reefs, fish, clams, and other life forms. But how effective are marine protected areas?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/bush-creates-huge-pacific-reserves/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Fuel Faves: Coffee meets diesel!</title>
		<link>http://whyfiles.org/2009/fuel-faves-coffee-meets-diesel/</link>
		<comments>http://whyfiles.org/2009/fuel-faves-coffee-meets-diesel/#comments</comments>
		<pubDate>Tue, 06 Jan 2009 15:18:27 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[biodiesel]]></category>
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		<category><![CDATA[transesterification]]></category>
		<category><![CDATA[Transportation]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1104</guid>
		<description><![CDATA[Oils in spent coffee grounds are easily converted into biodiesel -- a renewable source of transportation energy. Bottoms up for CofFuel? ]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/fuel-faves-coffee-meets-diesel/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<title>Carbon tax or carbon trading? Can economics battle global warming?</title>
		<link>http://whyfiles.org/2008/carbon-tax-or-carbon-trading-can-economics-battle-global-warming/</link>
		<comments>http://whyfiles.org/2008/carbon-tax-or-carbon-trading-can-economics-battle-global-warming/#comments</comments>
		<pubDate>Thu, 04 Dec 2008 18:58:23 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[global warming]]></category>
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		<category><![CDATA[reduce carbon pollution]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1076</guid>
		<description><![CDATA[Carbon tax or carbon trading? As the United Nations gets set for (another!) pow-wow on global warming, policy wonks are focusing on two mechanisms to reduce carbon pollution. Which gets more control at a lower price: carbon tax or carbon cap-and-trade?]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/carbon-tax-or-carbon-trading-can-economics-battle-global-warming/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>New concern as ocean grows more acidic</title>
		<link>http://whyfiles.org/2008/new-concern-as-ocean-grows-more-acidic/</link>
		<comments>http://whyfiles.org/2008/new-concern-as-ocean-grows-more-acidic/#comments</comments>
		<pubDate>Thu, 13 Nov 2008 21:18:49 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[greenhouse gas]]></category>
		<category><![CDATA[marine mammals]]></category>
		<category><![CDATA[noise]]></category>
		<category><![CDATA[ocean acidification]]></category>
		<category><![CDATA[ocean acidity]]></category>
		<category><![CDATA[sonar]]></category>
		<category><![CDATA[sound]]></category>
		<category><![CDATA[stranding]]></category>
		<category><![CDATA[whales]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1072</guid>
		<description><![CDATA[Each hour,  the ocean dissolves 1 million tons of carbon dioxide from burning fossil fuel. As the water grows more acidic, sound travels further. What will happen to marine mammals, which rely on an exquisite sense of hearing?]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/new-concern-as-ocean-grows-more-acidic/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Mystery of the disappearing ice sheet</title>
		<link>http://whyfiles.org/2008/mystery-of-the-disappearing-ice-sheet/</link>
		<comments>http://whyfiles.org/2008/mystery-of-the-disappearing-ice-sheet/#comments</comments>
		<pubDate>Thu, 04 Sep 2008 21:38:19 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Anders Carlson]]></category>
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		<category><![CDATA[climate prediction]]></category>
		<category><![CDATA[Greenland ice sheet]]></category>
		<category><![CDATA[Greenland icecap]]></category>
		<category><![CDATA[ice sheet]]></category>
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		<category><![CDATA[rapid melting]]></category>
		<category><![CDATA[sea level rise]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1063</guid>
		<description><![CDATA[Rapid melting of Canadian ice sheet suggests that Greenland's massive ice cap could melt and raise sea level much faster than predicted within a century.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/mystery-of-the-disappearing-ice-sheet/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Ice is nice: Report offers no certainty on sea level rise</title>
		<link>http://whyfiles.org/2007/ice-is-nice-report-offers-no-certainty-on-sea-level-rise/</link>
		<comments>http://whyfiles.org/2007/ice-is-nice-report-offers-no-certainty-on-sea-level-rise/#comments</comments>
		<pubDate>Thu, 03 May 2007 19:57:48 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[coastal flooding]]></category>
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		<category><![CDATA[melting glaciers]]></category>
		<category><![CDATA[oceanography]]></category>
		<category><![CDATA[sea level]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=988</guid>
		<description><![CDATA[Greenland's icecap holds enough water to raise sea level by 7 meters. Some studies show it sliding faster into the sea. Should we worry? New report says "We don't know." Comforting?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/ice-is-nice-report-offers-no-certainty-on-sea-level-rise/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Nature: The natural prescription for health?</title>
		<link>http://whyfiles.org/2007/nature-the-natural-prescription-for-health/</link>
		<comments>http://whyfiles.org/2007/nature-the-natural-prescription-for-health/#comments</comments>
		<pubDate>Thu, 19 Apr 2007 20:53:23 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[blood pressure]]></category>
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		<category><![CDATA[images  of nature]]></category>
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		<category><![CDATA[time in the hospital]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=985</guid>
		<description><![CDATA[Could a walk in the park be good for you? Could looking out a window at a park be good for you? Can nature lower stress and promote healing? For centuries, philosophers, mystics and tree-huggers have talked up the benefits of nature.]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/nature-the-natural-prescription-for-health/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Ethanol: Can it, Should it, Replace Gasoline?</title>
		<link>http://whyfiles.org/2007/ethanol-can-it-should-it-replace-gasoline/</link>
		<comments>http://whyfiles.org/2007/ethanol-can-it-should-it-replace-gasoline/#comments</comments>
		<pubDate>Thu, 08 Feb 2007 21:37:48 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<guid isPermaLink="false">http://whyfiles.org/?p=947</guid>
		<description><![CDATA[Global warming gets worse. Petroleum grows scarce. Should we start making biofuels bigtime? If so, should we get the ethanol from corn, or from plant wastes?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/ethanol-can-it-should-it-replace-gasoline/feed/</wfw:commentRss>
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