The latest draft text that 180 governments are expected to sign up to at the end of the Rio+20 Earth summit has been leaked to the Guardian. According to the UN, only about 20% of the wording has been agreed, so with just three days formal negotiating time before world leaders arrive in Brazil, and…
A bold plan to bring every person on Earth sustainable energy within 18 years will face its first test of international acceptance at the Rio+20 Earth Summit – the United Nations Conference on Sustainable Development in June. The Sustainable Energy For All initiative is a flagship programme launched by UN secretary general Ban Ki-moon. Its goals…
Researchers believe the nation’s food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture. The study, which appears in the journal Proceedings of the National Academy of Sciences, paints the highest resolution picture yet of how groundwater depletion varies across space and time in California’s Central Valley and the High Plains of the…
Crop diseases could be detected earlier and more easily if a new method that stamps a leaf with a colour-changing biosensor is successful. The Bill and Melinda Gates Foundation awarded $100,000 to Hideaki Tsutsui of the University of California, Riverside, to develop the early warning system for crop diseases. Tsutsui’s idea is to print biosensors…
Is there an ethical argument in favor of flesh consumption? That is, can a meat-eating human find solid moral ground for her more carnivorous appetites? Is there a soul-cure for the stomachache that comes from eating the body of another sentient creature? Are these questions that the vast storehouses of religious traditions can help us…
Carson C. Chow deploys mathematics to solve the everyday problems of real life. As an investigator at the National Institute of Diabetes and Digestive and Kidney Diseases, he tries to figure out why 1 in 3 Americans are obese. He spoke with The New York Times at the 2012 annual meeting of the American Association…
A conference on feeding the world must also feed itself. For the New America Foundation’s recent “Feeding the World While the Earth Cooks,” the restaurant seems like it was chosen specifically to highlight the inherent tensions. Nora describes itself on an awning as “certified organic, exciting, seasonal, elegant dining, innovative, enjoy, creative, memorable, fresh, healthy,…
Vegetation, such as a patch of prairie or a forest stand, is more productive in the long run when more plant species are present, a new University of Minnesota study shows. The unprecedented long-term study of plant biodiversity found that each species plays a role in maintaining a productive ecosystem, especially when a long time…
Plants flowering 8.5 times faster than predicted; changes have knock-on effect for food chain, ecosystems
Organic farming is sometimes touted as a way to feed the world’s burgeoning population without destroying the environment. But the evidence for that has been hotly debated. Now, a comprehensive analysis of the existing science, published in Nature, suggests that farming without the use of chemical fertilizers and pesticides could supply needs in some circumstances….