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Water and Sanitation Related Diseases and the Environment: Challenges, Interventions and Preventive Measures	The drought and famine once again blighting the Horn of Africa brings with it an unwelcome reminder that for all of mankind’s achievements we are yet to eradicate the scourge of poverty or to provide clean water, sanitation or basic health care for the world’s most desperate people.
Dragonflies: The Flying Aces of the Insect World	With support from the National Science Foundation (NSF), Stacey Combes, a biomechanist at Harvard University, and her team are studying how dragonflies pull off complicated aerial feats that include hunting and mating in mid-air.
Scientists Identify Microbes Responsible for Consuming Natural Gas in Deepwater Horizon Spill	In the results of a new study, scientists explain how they used DNA to identify microbes present in the Gulf of Mexico following the Deepwater Horizon oil spill and the particular microbes responsible for consuming natural gas immediately after the spill.
World’s Largest Shark Sanctuary Declared in Central Pacific	The Republic of the Marshall Islands is now home to the world’s largest shark sanctuary. The Nitijela, the Marshallese parliament, unanimously passed legislation last week that ends commercial fishing of sharks in all 1,990,530 square kilometers (768,547 square miles) of the central Pacific country’s waters, an ocean area four times the landmass of California.
Harvard Researchers Launch Healthy Eating Plate: Guide to Eating a Healthy Meal Based on Latest Science	Nutrition experts at Harvard School of Public Health (HSPH) in conjunction with colleagues at Harvard Health Publications have unveiled the Healthy Eating Plate, a visual guide that provides a blueprint for eating a healthy meal.
Study Finds Grazing by Wild Animals Like Zebra Doesn't Always Harm, and May Help, Livestock Like Cattle	African ranchers often prefer to keep wild grazers like zebras off the grass that fattens their cattle. But a new study by Kenyan and University of California at Davis researchers shows that grazing by wild animals doesn't always harm, and may sometimes benefit, cattle.
Somalia: MSF Fighting Against Cholera, Measles, and Malnutrition	Doctors Without Borders/Médecins Sans Frontières (MSF) is currently battling outbreaks of cholera and measles in and around the town of Marere in southern Somalia.
US EPA Launches Green Products Web Portal for Pollution Prevention Week	The EPA is observing Pollution Prevention (P2) Week, September 19-25, 2011, by launching a new tool designed to provide Americans easy access to information about everyday products like home appliances, electronics and cleaning products that can save money, prevent pollution and protect people’s health.
Mobile Phone Innovation to Test Water Quality Wins Stockholm Junior Water Prize	Alison Bick has developed a low-cost portable method to test water quality using a mobile phone.
Tokelau Declares Shark Sanctuary	Matt Rand, director of Global Shark Conservation for the Pew Environment Group, issued the following statement on 7 September 2011 in response to the shark sanctuary designation made by Tokelau, an island territory in the South Pacific.