THEN & NOW: Africa Satellite Images Show Stark Changes


	THEN & NOW: Africa Satellite Images Show Stark Changes

Beholder

6-12-2008 8:47 AM

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tags:

ecology, environment

2 Comments |

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6-15-2008 9:09 AM

Tylast

Great clip! Check out this one on Lake Mead!

6-15-2008 6:14 PM

mona

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/7193ec90-1970-4f50-a4a3-52b6a888ef5d/EF5BBA4B-56D4-4935-AA34-C348A22D1469/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/index.html" href="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/index.html" style="font-size: 11px;">news.nationalgeographic.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/index.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/news.nationalgeographic.com/img/FE349637-1E6A-43C0-A580-9AE080B62A2D" alt="PHOTOS THEN & NOW: Africa Satellite Images Show Stark Changes" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/index.html"><DIV>Satellite images from 1972 (left) and 2007 (right) show water-level decline in Lake Chad, once the world's sixth largest.</DIV><BR /><DIV>At the junction of <A href="http://www3.nationalgeographic.com/places/countries/country_nigeria.html ">Nigeria</A>, 
<A href=" http://www3.nationalgeographic.com/places/countries/country_niger.html">Niger</A>, <A href=" http://www3.nationalgeographic.com/places/countries/country_chad.html">Chad</A>, and <A href="http://www3.nationalgeographic.com/places/countries/country_cameroon.html">Cameroon</A>, the lake is now one-tenth its former size, due to declining rainfall and diversion of water for human use.</DIV></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content9.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo2.html" href="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo2.html" style="font-size: 11px;">news.nationalgeographic.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo2.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/news.nationalgeographic.com/img/4D09667E-5064-46A0-BDE4-911AB56511CC" alt="PHOTOS THEN & NOW: Africa Satellite Images Show Stark Changes" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo2.html"><DIV>
																			Africa's most populous urban area, <A href="http://www3.nationalgeographic.com/places/cities/city_cairo.html">Cairo, Egypt</A>, is shown in 1972 (left) and 2005 (right). 
</DIV><BR /><DIV>
An exploding population has driven the city's expansion, encroaching on much of the precious arable land surrounding the Nile River, according to a UN atlas released June 11, 2008.</DIV></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content7.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo3.html" href="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo3.html" style="font-size: 11px;">news.nationalgeographic.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo3.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/news.nationalgeographic.com/img/CCC634D8-DF9F-4BB5-8B67-7F6B6F0DDE2B" alt="PHOTOS THEN & NOW: Africa Satellite Images Show Stark Changes" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo3.html"><DIV>
																			1978 (left) and 2004 satellite images show the roughly 500-square-kilometer (190-square-mile) reservoir formed by the Manantali Dam in <A href="http://www3.nationalgeographic.com/places/countries/country_mali.html">Mali</A>. 
</DIV><BR /><DIV>
Below the dam, loss of the annual flood cycles have reduced agriculture substantially</DIV></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content9.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo4.html" href="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo4.html" style="font-size: 11px;">news.nationalgeographic.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo4.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/news.nationalgeographic.com/img/02898F08-51D8-4605-BBE7-2FB5DC0851AE" alt="PHOTOS THEN & NOW: Africa Satellite Images Show Stark Changes" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/06/photogalleries/Africaatlas-photos/photo4.html">
																			The depletion of <A href="http://www3.nationalgeographic.com/places/countries/country_guinea.html">Guinea'</A>s resource-rich coastal zone is illustrated in satellite images from 1975 (left) and 2007.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/EF5BBA4B-56D4-4935-AA34-C348A22D1469/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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