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<?xml-stylesheet type="text/xsl" media="screen" href="/~d/styles/rss2full.xsl"?><?xml-stylesheet type="text/css" media="screen" href="http://feeds.feedburner.com/~d/styles/itemcontent.css"?><rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:feedburner="http://rssnamespace.org/feedburner/ext/1.0" version="2.0"><channel><title>Natural Sciences feed</title><link>http://www.treehugger.com/feeds/category/natural-sciences/</link><description /><language>en-us</language><copyright>Copyright (c) 2012, TreeHugger</copyright><lastBuildDate>Thu, 24 May 2012 12:32:00 -0400</lastBuildDate><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="self" type="application/rss+xml" href="http://feeds.feedburner.com/treehugger/travel-nature" /><feedburner:info uri="treehugger/travel-nature" /><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="hub" href="http://pubsubhubbub.appspot.com/" /><feedburner:browserFriendly></feedburner:browserFriendly><item><title>BBC Launches Facebook App "Meet Your Planet"</title><link>http://www.treehugger.com/natural-sciences/bbc-planet-earth-launches-facebook-app.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/bbc-app.jpg.400x300_q85_crop-smart.jpg" /&gt;
A new app from BBC allows you to explore content from their great nature documentaries. </description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jaymi Heimbuch</dc:creator><pubDate>Thu, 24 May 2012 12:32:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/bbc-planet-earth-launches-facebook-app.html</guid><category>Science</category></item><item><title>Gay Penguin Pair Adopt an Egg to Raise as Their Own</title><link>http://www.treehugger.com/natural-sciences/same-sex-penguin-couple-allowed-adopt-egg.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/gay-penguins.jpg.400x300_q85_crop-smart.jpg" /&gt;
"They love each other as if they were male and female, courting each other the same," says one zoo staffer. "But what they want is what they lack: to raise a chick."</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Tue, 22 May 2012 23:03:07 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/same-sex-penguin-couple-allowed-adopt-egg.html</guid><category>Science</category></item><item><title>Incredible Video of Solar Eclipse Reveals Details of the Sun</title><link>http://www.treehugger.com/natural-sciences/incredible-video-solar-eclipse-reveals-details-sun.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/eclipse.jpg.400x300_q85_crop-smart.jpg" /&gt;
A beautiful time-lapse video taken by a math instructor in Redding, California of yesterday's solar eclipse.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jaymi Heimbuch</dc:creator><pubDate>Mon, 21 May 2012 13:38:54 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/incredible-video-solar-eclipse-reveals-details-sun.html</guid><category>Science</category></item><item><title>Chimp Finds Hidden Camera, Promptly Makes Out With It (Video)</title><link>http://www.treehugger.com/natural-sciences/chimp-finds-hidden-camera-promptly-makes-out-it.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/chimp-kisses-camera.jpg.400x300_q85_crop-smart.jpg" /&gt;
Chimpanzees may be native to the jungles of central Africa -- but there's certainly something in their bold smooching style that's undeniably French.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Wed, 16 May 2012 23:54:22 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/chimp-finds-hidden-camera-promptly-makes-out-it.html</guid><category>Science</category></item><item><title>World's First Vegetarian Shark Prefers Heads of Lettuce</title><link>http://www.treehugger.com/natural-sciences/worlds-first-vegetarian-shark-prefers-lettuce.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/hand-feeding-shark.jpg.400x300_q85_crop-smart.jpg" /&gt;
For one nurse shark at an aquatic center in the UK, the taste of meat seems to have lost its luster.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Tue, 15 May 2012 23:57:19 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/worlds-first-vegetarian-shark-prefers-lettuce.html</guid><category>Science</category></item><item><title>Incredibly Detailed 121MP Photos of Earth With Colors Like You've Never Seen</title><link>http://www.treehugger.com/natural-sciences/incredibly-detailed-121mp-photos-of-earth.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/earth-above.jpg.400x300_q85_crop-smart.jpg" /&gt;
A Russian satellite has taken some spectacularly amazing images of our planet. Check out the video. </description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jaymi Heimbuch</dc:creator><pubDate>Tue, 15 May 2012 11:55:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/incredibly-detailed-121mp-photos-of-earth.html</guid><category>Science</category></item><item><title>Mississippi River's Flow Kept Gulf Spill Oil Off Shore More Than Expected</title><link>http://www.treehugger.com/natural-sciences/mississippi-rivers-flow-kept-gulf-spill-oil-shore-more-expected.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/03/20120303-gulf-oil-spill-cleanup.jpg.400x300_q85_crop-smart.jpg" /&gt;
New research shows that spring flood waters rushing into the Gulf created mounds of water that, for a while, kept the oil offshore.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Mat McDermott</dc:creator><pubDate>Fri, 11 May 2012 05:00:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/mississippi-rivers-flow-kept-gulf-spill-oil-shore-more-expected.html</guid><category>Science</category></item><item><title>Bear Cubs Form an Adorable Conga Line (Video)</title><link>http://www.treehugger.com/natural-sciences/bear-cubs-licking-each-others-ears.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/cub-conga-line.jpg.400x300_q85_crop-smart.jpg" /&gt;
Grooming plays a crucial role in the lives of social animals -- and when done properly, it can be downright heartwarming.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Thu, 10 May 2012 20:04:41 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/bear-cubs-licking-each-others-ears.html</guid><category>Science</category></item><item><title>Parachuting Mice to Battle Invasive Snakes in Guam</title><link>http://www.treehugger.com/natural-sciences/parachuting-mice-battle-invasive-snakes-guam.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/parachuting-mouse.jpg.400x300_q85_crop-smart.jpg" /&gt;
Faced with this unchecked threat,  experts have teamed up with an unlikely ally in the battle against snakes -- scores of parachuting mice laced with a lethal payload.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Wed, 09 May 2012 23:11:48 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/parachuting-mice-battle-invasive-snakes-guam.html</guid><category>Science</category></item><item><title>Biodiversity and Language Diversity Hotspots Overlap &amp; We're Losing Both</title><link>http://www.treehugger.com/natural-sciences/biodiversity-hotspots-language-diversity-hotspots-overlap-we-are-losing-both.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/20120508-new-guinea-man.jpg.400x300_q85_crop-smart.jpg" /&gt;
Thankfully, efforts to protect biodiversity can also protect linguistic diversity and vice versa.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Mat McDermott</dc:creator><pubDate>Wed, 09 May 2012 05:42:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/biodiversity-hotspots-language-diversity-hotspots-overlap-we-are-losing-both.html</guid><category>Science</category></item><item><title>Mysterious Animal Deaths Prompt Peru to Issue Health Alert</title><link>http://www.treehugger.com/natural-sciences/peru-alert-due-mysterious-mass-animal-deaths.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/dolphin-peru.jpg.400x300_q85_crop-smart.jpg" /&gt;
Hundreds of dolphins and pelicans have been found dead on beaches in Peru since February, prompting the government to issue a public health warning.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Mon, 07 May 2012 23:21:57 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/peru-alert-due-mysterious-mass-animal-deaths.html</guid><category>Science</category></item><item><title>Biodiversity Loss Could Hit Ecosystems as Hard as Climate Change</title><link>http://www.treehugger.com/natural-sciences/biodiversity-loss-could-hit-ecosystems-hard-climate-change.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/01/20120111-africa-rainforest.jpg.400x300_q85_crop-smart.jpg" /&gt;
With intermediate levels of biodiversity loss, the effect on plant productivity could be as bad as climate change. At high levels, it could be worse.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Mat McDermott</dc:creator><pubDate>Fri, 04 May 2012 05:00:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/biodiversity-loss-could-hit-ecosystems-hard-climate-change.html</guid><category>Science</category></item><item><title>Citizens Contribute Over 1 Million Observations to National Nature Database</title><link>http://www.treehugger.com/natural-sciences/citizens-contribute-over-1-million-observations-national-nature-database.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2011/11/migrating-forests.jpg.400x300_q85_crop-smart.jpg" /&gt;
The one millionth observation was registered on the US National Phenology Network today. What's phenology? So glad you asked ...</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Brian Merchant</dc:creator><pubDate>Thu, 03 May 2012 18:40:56 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/citizens-contribute-over-1-million-observations-national-nature-database.html</guid><category>Science</category></item><item><title>Amazing Macro Photographs of Insects Covered in Dew</title><link>http://www.treehugger.com/slideshows/natural-sciences/amazing-macro-photographs-insects-covered-dew/</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/a-dubnik-sidlaka---sidlo-111.jpg.400x300_q85_crop-smart.jpg" /&gt;
Creepy crawlies you'd usually steer clear of become jewel-like just after the rain.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jerry James Stone</dc:creator><pubDate>Thu, 03 May 2012 11:36:21 -0400</pubDate><guid>http://www.treehugger.com/slideshows/natural-sciences/amazing-macro-photographs-insects-covered-dew/</guid><category>Science</category></item><item><title>Man Relocates 30,000 Bees Found Living in an Attic</title><link>http://www.treehugger.com/natural-sciences/man-relocates-30000-bees-found-living-attic.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/honeybees2.jpg.400x300_q85_crop-smart.jpg" /&gt;
Up until recently, Victoria Clayton and her boyfriend were under the impression that they were the only ones sharing their charming home in Cape May, New Jersey -- but they couldn't bee more wrong.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Tue, 01 May 2012 23:29:41 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/man-relocates-30000-bees-found-living-attic.html</guid><category>Science</category></item><item><title>Wildlife Service Accidentally Killed Over 50,000 Animals</title><link>http://www.treehugger.com/natural-sciences/wildlife-service-wages-war-on-wildlife.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/05/coyote-hunt.jpg.400x300_q85_crop-smart.jpg" /&gt;
According to reports, a secretive branch of the Department of Agriculture has been waging an irresponsibly haphazard war against wildlife – ironically, all in the name of conservation.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Mon, 30 Apr 2012 23:27:36 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/wildlife-service-wages-war-on-wildlife.html</guid><category>Science</category></item><item><title>6.8 Million Birds Die Because of Communication Towers in North America Each Year</title><link>http://www.treehugger.com/natural-sciences/6-million-birds-die-communication-towers-north-america-each-year.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2011/10/birds-and-power-lines.jpg.400x300_q85_crop-smart.jpg" /&gt;
Every single year, the 84,000 communication towers spread around North-America kill an estimated 6.8 million birds. Some of these towers can be 2,000 feet high and surrounded by a large number of dangerous guy wires.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Michael Graham Richard</dc:creator><pubDate>Mon, 30 Apr 2012 15:23:54 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/6-million-birds-die-communication-towers-north-america-each-year.html</guid><category>Science</category></item><item><title>Yosemite Time-Lapse Video of Landscapes and Stars Is Unbelievable</title><link>http://www.treehugger.com/natural-sciences/yosemite-time-lapse-video-of-landscaps-and-stars-is-unbelievable.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/yosemite.jpg.400x300_q85_crop-smart.jpg" /&gt;
You. Must. Watch. </description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jaymi Heimbuch</dc:creator><pubDate>Mon, 30 Apr 2012 14:30:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/yosemite-time-lapse-video-of-landscaps-and-stars-is-unbelievable.html</guid><category>Science</category></item><item><title>Mosquitoes Blamed For Captive Killer Whale Deaths</title><link>http://www.treehugger.com/natural-sciences/mosquitoes-blamed-for-killer-whale-deaths.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/captive-orca.jpg.400x300_q85_crop-smart.jpg" /&gt;
In the open ocean, healthy killer whales live free of any natural predators -- but in captivity, even the smallest of insects pose a lethal threat to these majestic giants.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Thu, 26 Apr 2012 23:53:14 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/mosquitoes-blamed-for-killer-whale-deaths.html</guid><category>Science</category></item><item><title>Photographer Discovers Another World with Macro Photography</title><link>http://www.treehugger.com/slideshows/natural-sciences/macro-photographs-natural-world/</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/8mm.jpg.400x300_q85_crop-smart.jpg" /&gt;
Photographer Sharon Johnstone shows us much of what goes unseen in the natural world. </description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jerry James Stone</dc:creator><pubDate>Thu, 26 Apr 2012 10:30:08 -0400</pubDate><guid>http://www.treehugger.com/slideshows/natural-sciences/macro-photographs-natural-world/</guid><category>Science</category></item><item><title>Time to Celebrate National Park Week!</title><link>http://www.treehugger.com/natural-sciences/time-celebrate-national-park-week.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/national-park-tent-23734236.jpeg.400x300_q85_crop-smart.jpg" /&gt;
This week is National Park Week, and to celebrate our colleagues at Planet Green are doing all kinds of stuff.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Michael Graham Richard</dc:creator><pubDate>Wed, 25 Apr 2012 12:24:55 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/time-celebrate-national-park-week.html</guid><category>Science</category></item><item><title>First All-White Killer Whale Ever Seen Filmed in Russia</title><link>http://www.treehugger.com/natural-sciences/first-all-white-killer-whale-ever-seen-filmed-russia.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/li-white-whale300.jpeg.400x300_q85_crop-smart.jpg" /&gt;
Researchers with the Far East Russia Orca Project (FEROP) revealed on Monday that they succeeded in filming the elusive creature in 2010, but held back on publicizing the rare find until now, as they wanted to study him further.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Michael Graham Richard</dc:creator><pubDate>Tue, 24 Apr 2012 16:27:48 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/first-all-white-killer-whale-ever-seen-filmed-russia.html</guid><category>Science</category></item><item><title>Bowerbirds Plant Flowers While Impressing Their Mates</title><link>http://www.treehugger.com/natural-sciences/male-bowerbirds-grow-flowers-impress-their-mates.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/bowerbird-bower.jpg.400x300_q85_crop-smart.jpg" /&gt;
Leave it to a love-struck bird to make our romantic gestures seem suddenly sub par.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Mon, 23 Apr 2012 23:48:52 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/male-bowerbirds-grow-flowers-impress-their-mates.html</guid><category>Science</category></item><item><title>Seattle Man Relocates Hundreds of Unwanted Trees</title><link>http://www.treehugger.com/natural-sciences/seattle-man-rescues-unwanted-trees-finds-them-new-home.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/tree-in-car.jpg.400x300_q85_crop-smart.jpg" /&gt;
During the week, Bernie O'Brien leads a normal life as a consultant at an art managing firm in Washington state -- but on the weekends, he transforms into no less than an arboreal superhero.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Stephen Messenger</dc:creator><pubDate>Wed, 18 Apr 2012 23:33:01 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/seattle-man-rescues-unwanted-trees-finds-them-new-home.html</guid><category>Science</category></item><item><title>Kenyan Teen's Invention Saves Lions, Helps Farmers</title><link>http://www.treehugger.com/natural-sciences/kenyan-teen-invention-saves-lions-helps-farmers.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/richard-turere-young-inventor-nairobi-kenya.jpg.400x300_q85_crop-smart.jpg" /&gt;
A 13-year-old inventor in Kenya has come up with a low-cost, eco-friendly way to protect his family's livestock that could also serve as a solution to a serious problem in his country -- managing human-wildlife conflict. </description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jennifer Hattam</dc:creator><pubDate>Wed, 18 Apr 2012 11:15:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/kenyan-teen-invention-saves-lions-helps-farmers.html</guid><category>Science</category></item><item><title>Russian Mother Takes On Government, Powerful Interests to Save Moscow's Lungs, the Khimki Forest</title><link>http://www.treehugger.com/natural-sciences/russian-mother-takes-on-government-save-khimski-forest.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/Evgenia_Chirikova_2.png.400x300_q85_crop-smart.jpg" /&gt;
"The proposed road is not so much just the road, as a larger land grab."</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Rachel Cernansky</dc:creator><pubDate>Wed, 18 Apr 2012 11:05:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/russian-mother-takes-on-government-save-khimski-forest.html</guid><category>Science</category></item><item><title>The Battle of Midway is Still Raging...Among Invasive Plant Species</title><link>http://www.treehugger.com/natural-sciences/the-battle-of-midway-is-still-raging-among-invasive-plant-species.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/IMG_1750-1.jpg.400x300_q85_crop-smart.jpg" /&gt;
Along with people came invasive species, and a massive effort to remove two of the most pervasive and deadly plant species is underway. </description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jaymi Heimbuch</dc:creator><pubDate>Wed, 18 Apr 2012 08:00:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/the-battle-of-midway-is-still-raging-among-invasive-plant-species.html</guid><category>Science</category></item><item><title>Orangutans Smarter Than We Think - Apparently Know the Mechanical Properties of Wood</title><link>http://www.treehugger.com/natural-sciences/orangutans-smarter-than-we-think-know-mechanical-properties-of-wood.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2011/10/arangutan.jpg.400x300_q85_crop-smart.jpg" /&gt;
Some new research reveals the skill with which orangutans build their sleeping nests, and hints at their impressive intelligence.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Mat McDermott</dc:creator><pubDate>Tue, 17 Apr 2012 13:12:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/orangutans-smarter-than-we-think-know-mechanical-properties-of-wood.html</guid><category>Science</category></item><item><title>10 or So Things You Should Know About the Future of Feeding the World</title><link>http://www.treehugger.com/natural-sciences/10-or-so-things-you-must-know-about-future-feeding-world.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/01/earth-hd-comp.jpg.400x300_q85_crop-smart.jpg" /&gt;
Experts weigh in on how to feed 7 billion people in a warming world.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Brian Merchant</dc:creator><pubDate>Mon, 16 Apr 2012 12:08:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/10-or-so-things-you-must-know-about-future-feeding-world.html</guid><category>Science</category></item><item><title>Ask the Experts: What's the Greatest Resource Scarcity We Now Face?</title><link>http://www.treehugger.com/natural-sciences/ask-experts-whats-greatest-resource-scarcity-we-now-face.html</link><description>&lt;img src="http://media.treehugger.com/assets/images/2012/04/20120416-broken-clock.jpg.400x300_q85_crop-smart.jpg" /&gt;
What's the most critical resource constraint we now face and what's creating that scarcity? Janet Larsen from the Earth Policy Institute answers.</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Mat McDermott</dc:creator><pubDate>Mon, 16 Apr 2012 11:26:00 -0400</pubDate><guid>http://www.treehugger.com/natural-sciences/ask-experts-whats-greatest-resource-scarcity-we-now-face.html</guid><category>Science</category></item></channel></rss>

