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Sorghum price chartCommodity price chart (units): U.S. dollars per metric tonRecent price changes: Sorghum
Related news: Sorghum (02/09/2012) Three thousand years ago (around 1000 BCE) several large sections of the Congo rainforest in central Africa suddenly vanished and became savannah. Scientists have long believed the loss of the forest was due to changes in the climate, however a new study in Science implicates an additional culprit: humans. The study argues that a migration of farmers into the region led to rapid land-use changes from agriculture and iron smelting, eventually causing the collapse of rainforest in places and a rise of grasslands. The study has implications for today as scientists warn that the potent combination of deforestation and climate change could flip parts of the Amazon rainforest as well into savannah. Disease kills 6 million bats in North America (01/18/2012) In just six years around six million bats have succumbed to white-nose syndrome in North America, according to U.S. federal researchers. The number, somewhere between 5.7 and 6.7 million bats, is far higher than past estimates of over a million. Showing up in 2006 in New York, the perplexing disease, which appears as white dust on bats' muzzles, wipes out populations while they hibernate. Prehistoric Peruvians enjoyed popcorn (01/18/2012) Researchers have uncovered corncobs dating back at least 3,000 years ago in two ancient mound sites in Peru according to a paper published in Proceedings of the National Academy of Sciences (PNAS). The ancient corn remnants, which proved residents were eating both popped corn and corn flour, are the earliest ever discovered in South America and may go back as far as 4,700 BCE (6,700 years ago), over fifteen hundred years before the early Egyptians developed hieroglyphics and while woolly mammoths still roamed parts of the Earth. Targeting methane, black carbon could buy world a little time on climate change (01/12/2012) A new study in Science argues that reducing methane and black carbon emissions would bring global health, agriculture, and climate benefits. While such reductions would not replace the need to reduce CO2 emissions, they could have the result of lowering global temperature by 0.5 degrees Celsius (0.9 degree Fahrenheit) by mid-century, as well as having the added benefits of saving lives and boosting agricultural yields. In addition, the authors contend that dealing with black carbon and methane now would be inexpensive and politically feasible. Industrial palm oil production expands at expense of rainforests in Peru (01/10/2012) Intensive palm oil production is expanding at the expense of biolologically-rich lowland rainforests in the Peruvian Amazon, reports a study published in Environmental Research Letters. The research indicates that enthusiasm for oil palm — one of the world's most lucrative crops — is taking a toll on forests outside of Southeast Asia, where the vast majority of palm oil is produced. Colonization program remains important driver of deforestation in Brazil (01/10/2012) Government-subsidized colonization of the Amazon rainforest remains an important driver of forest loss in Brazil, but has mixed economic value, argues a paper published in Biological Conservation. As Amazon deforestation falls, food production rises (01/09/2012) A sharp drop in deforestation has been accompanied by an increase in food production in the Brazilian state of Mato Grosso, reports a new study published in the journal Proceedings of the National Academy of Science. The research argues that policy interventions, combined with pressure from environmental groups, have encouraged agricultural expansion in already-deforested areas, rather than driving new forest clearing. Eco-toilets help save hippos and birds in Kenya (01/04/2012) It may appear unintuitive that special toilets could benefit hippos and other wetland species, but the Center for Rural Empowerment and the Environment (CREE) has proven the unique benefits of new toilets in the Dunga Wetlands on Lake Victoria's Kenyan side. By building ecologically-sanitary (eco-san) toilets, CREE has managed to alleviate some of the conflict that has cropped up between hippos and humans for space. Will 'sustainable' palm oil sell in China? (12/19/2011) Owing to the high yield of the African oil palm tree, palm oil is today the cheapest commercial source of edible oil. But oil palm expansion in recent decades has at times had high indirect costs, including destruction of biologically diverse rainforests and further marginalization of forest-dependent people, especially in southeast Asia. Concerns over the environmental and social impact of palm oil production in the spurred a group of palm oil producers, processors, and buyers to team up with conservation groups to form the Roundtable on Sustainable Palm Oil (RSPO) in 2004. But a big question looms over all certification efforts: will the world's largest importers of palm oil — India and China — buy it? Biofuel aspirations spur 'land grabs' that hurt the poor, says report (12/14/2011) More than 40 million hectares of land has been acquired in developing countries for biofuel production in the past decade, reports a new study published by the International Land Coalition. The Atlas of Climate Change: Mapping the World’s Greatest Challenge – a book review (12/12/2011) The Atlas of Climate Change: Mapping the World’s Greatest Challenge presents in clear and concise visual form the impacts and effects, solutions and mitigation actions surrounding climate change - which is our greatest global challenge. Evidence mounts that Maya did themselves in through deforestation (12/08/2011) Researchers have garnered further evidence for a smoking gun behind the fall of the great Maya civilization: deforestation. At the American Geophysical Union (AGU) conference, climatologist Ben Cook presented recent research showing how the destruction of rainforests by the Mayan ultimately led to declines in precipitation and possibly civilization-rocking droughts. While the idea that the Maya may have committed ecological-suicide through deforestation has been widely discussed, including in Jared Diamond's popular book Collapse, Cook's findings add greater weight to the theory. Agriculture group to spend 10 years on forest research (12/07/2011) Recognizing the global importance of the world's vanishing forests, a 10-year-long research program will focus on the interconnection between agriculture and forests. Conducted by CGIAR, a global agriculture group concerned with sustainability, the research program will look at ways to decrease forest loss and degradation. Brazil passes controversial Forest Code reform environmentalists say will be 'a disaster' for the Amazon (12/06/2011) The Brazilian Senate tonight passed controversial legislation that will reform the country's 46-year-old Forest Code, which limits how much forest can be cleared on private lands. Environmentalists are calling the move "a disaster" that will reverse Brazil's recent progress in slowing deforestation in the world's largest rainforests. Feeding the world's population and saving forests aren't mutually exclusive (12/06/2011) The world can simultaneously improve food security and save tropical forests by better optimizing land use, factoring in the true costs of biofuels, boosting yields on existing farmland, encouraging production away from forest frontiers, and supporting efforts to develop more sustainable community roundtables, concludes a new report released Monday by the National Wildlife Federation. Carbon debt for some biofuels lasts centuries (11/30/2011) It has long been known that biofuels release greenhouse gas emissions through land conversion like deforestation. But an innovative new study by the Center for International Forestry Research (CIFOR) published in Ecology and Society has computed how long it would take popular biofuel crops to payoff the "carbon debt" of land conversion. While there is no easy answer—it depends on the type of land converted and the productivity of the crop—the study did find that in general soy had the shortest carbon debt, though still decades-long, while palm oil grown on peatland had the longest on average. Dole abandons banana plantation in National Park (11/21/2011) After a threat of lawsuit, Dole Inc. has abandoned a banana plantation in Somawathiya National Park in Sri Lanka. The US-based food giant had partnered with a local company, Letsgrow Ltd, to grow bananas for export markets at the bank of the Mahaweli River, but Dole ran into trouble when local conservation organizations pointed out they were illegally destroying forest and planting crops in Somawathiya National Park, home to elephants and many other imperiled species. Local group, Environmental Foundation Limited (EFL), obtained past and current satellite images to prove that the company was operation within the park. Palm oil biofuel from peatlands has big climate impact, finds study (11/08/2011) Biofuels produced from oil palm plantations established on tropical peatlands are a substantial source of greenhouse gas emissions, reports a comprehensive new assessment conducted for the International Council on Clean Transportation (ICCT). African cattle benefit from socializing with wild grazers during the wet season (11/08/2011) Mingling with wild grazers, such as zebra, is better for cattle than dining alone—during the wet season, at least—according to researchers in Kenya. Their new study crumbles the longstanding assumption that social grazing always leads to food fights. Kenya’s wildlife population is in a critical decline, partly due to kill-offs by ranchers who see zebra, wildebeest, antelope and other grazers strictly as competition for their cattle. But scientists at the Mpala Research Center in central Kenya suspected there might be natural accords between grazers. 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