http://www.scidev.net/ Latest news on earth science and the developing world. en http://rss.scidev.net/en/agriculture-and-environment/earth-science/news/ Many new technologies have promised to remove arsenic from drinking water but little has changed on the ground, finds T. V. Padma.http://www.scidev.net/en/agriculture-and-environment/earth-science/arsenic-when-will-the-clean-water-start-flowing--1.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceTue, 24 Nov 2009 01:26:47 GMTThe speed and volume of river flow shape the severity of cholera outbreaks, a Bangladeshi study has found.http://www.scidev.net/en/agriculture-and-environment/earth-science/cholera-outbreaks-depend-on-river-flow-say-scientists.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceFri, 13 Nov 2009 03:35:39 GMTSian Lewis explains how remote sensing can be used to manage natural disasters and highlights ongoing efforts and obstacles.http://www.scidev.net/en/agriculture-and-environment/earth-science/remote-sensing-for-natural-disasters-facts-and-figures.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceWed, 11 Nov 2009 10:00:00 GMTVolcano expert Geoff Wadge explains how the International Charter on Space and Major Disasters helped manage a volcanic eruption in Montserrat.http://www.scidev.net/en/agriculture-and-environment/earth-science/satellites-offer-crucial-data-for-volcano-safety--1.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceWed, 11 Nov 2009 09:59:00 GMTAfricans need to be more aware of earthquakes to cope with disasters — and there's no better place to start than in schools, says Chris Hartnady.http://www.scidev.net/en/agriculture-and-environment/earth-science/africans-need-earthquake-education-1.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceWed, 11 Nov 2009 09:58:00 GMTDeveloping nations are building their own satellites despite freely available Western data. Do the gains outweigh the costs, asks Tatum Anderson.http://www.scidev.net/en/agriculture-and-environment/earth-science/launching-your-own-satellite-the-pros-and-cons.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceWed, 11 Nov 2009 08:00:00 GMTScientists have urged the UN's desertification convention to unite research on land degradation and so convince policymakers to take action.http://www.scidev.net/en/agriculture-and-environment/earth-science/uniting-drylands-research-could-halt-looming-crisis.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceMon, 28 Sep 2009 03:27:13 GMTGlobal warming may affect the central Pacific El Niño, increasing its occurrence and leading to severe droughts in India.http://www.scidev.net/en/agriculture-and-environment/earth-science/global-warming-could-increase-negative-effects-of-el-ni-o.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceFri, 25 Sep 2009 05:13:28 GMTRiver deltas across the world are sinking, leaving millions of people exposed to the risk of severe flooding.http://www.scidev.net/en/agriculture-and-environment/earth-science/millions-at-risk-of-flooding-as-river-deltas-sink-1.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceThu, 24 Sep 2009 03:07:22 GMTIn a bizarre paradox, Himalayan glaciers expanded in size during a warm period 9,000 years ago, researchers have found.http://www.scidev.net/en/agriculture-and-environment/earth-science/himalayan-glaciers-grew-during-warmer-period.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceTue, 15 Sep 2009 03:40:23 GMTResearch that has enrichened understanding of the African monsoon will be extended for another decade.http://www.scidev.net/en/agriculture-and-environment/earth-science/more-time-to-unravel-the-african-monsoon-1.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceFri, 11 Sep 2009 02:46:50 GMTA warning about the risk that freshwater in the Atlantic poses to the monsoon comes with a call for better climate modelling.http://www.scidev.net/en/agriculture-and-environment/earth-science/india-s-monsoon-at-risk-from-greenland-s-melting-i.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceWed, 02 Sep 2009 01:50:45 GMTCloud seeding to increase rainfall — proven to work in Australia — may not be the answer for all developing countries, warn scientists.http://www.scidev.net/en/agriculture-and-environment/earth-science/caution-urged-over-cloud-seeding.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceThu, 06 Aug 2009 02:05:09 GMTThe International Council for Science is asking scientists to define the research agenda in global environmental change.http://www.scidev.net/en/agriculture-and-environment/earth-science/scientists-asked-to-create-earth-systems-research--1.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceTue, 28 Jul 2009 02:27:25 GMTThe United Arab Emirates is soon to send its first earth-observation satellite into space, and hopes the venture will boost its development.http://www.scidev.net/en/agriculture-and-environment/earth-science/uae-anticipates-lift-off-for-first-satellite-2.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceWed, 15 Jul 2009 12:14:23 GMTEveryone — from scientists to the public — has a role to play in preparing for earthquakes, says a Nature editorial.http://www.scidev.net/en/agriculture-and-environment/earth-science/everyone-must-be-involved-in-earthquake-planning-.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceTue, 19 May 2009 02:26:48 GMTAn earthquake on Dominica could trigger massive rock slides, sending a tsunami racing towards Guadeloupe, says a new study.http://www.scidev.net/en/agriculture-and-environment/earth-science/study-reveals-tsunami-hazard-to-guadeloupe.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceMon, 04 May 2009 08:00:00 GMTMangroves cut coastal deaths during cyclones — but their effectiveness during tsunamis is inconclusive, says a new study.http://www.scidev.net/en/agriculture-and-environment/earth-science/mangroves-protect-coastal-villages-during-cyclones.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceTue, 21 Apr 2009 03:27:24 GMTExtreme droughts have been common in West Africa over the last 3,000 years, scientists have found.http://www.scidev.net/en/agriculture-and-environment/earth-science/west-africa-caught-in-megadrought-cycle.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceFri, 17 Apr 2009 03:53:21 GMTNASA has developed an improved cyclone prediction method that could plug data gaps and increase warning times in vulnerable regions.http://www.scidev.net/en/agriculture-and-environment/earth-science/new-method-to-track-cyclone-paths-unveiled.html?utm_source=link&utm_medium=rss&utm_campaign=en_agricultureandenvironment_earthscienceFri, 17 Apr 2009 03:12:08 GMT http://www.scidev.net/images/logo_small.gif http://www.scidev.net/