[2013-05-08] New study shows importance of IUCN’s Red List of Ecosystems + http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0062111 + http://www.iucn.org/about/union/commissions/cem/cem_work/tg_red_list/ + http://www.iucnredlistofecosystems.org/ + http://www.eurekalert.org/pub_releases/2013-05/uons-nrl050713.php + http://news.mongabay.com/2013/0509-iucn-red-list-for-ecosystems.html with endangered_ecosystems
[2013-05-09] Dust in the clouds + http://web.mit.edu/newsoffice/2013/cirrus-clouds-mineral-dust-0509.html + http://www.sciencemag.org/content/early/2013/05/08/science.1234145 + http://eapsweb.mit.edu/news/2013/dust-clouds with cloud_formation