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The purchases weren't about land, but water. For with the land comes the right to withdraw the water linked to it, in most countries essentially a freebie that increasingly could be the most valuable part of the deal. Estimated on the basis of one crop per year, the land purchased represents 55 to 65 cubic kilometers of embedded freshwater, an amount equal to roughly 1½ times the water held by the Hoover Dam. And, because this water has no price, the investors can take it over virtually free. It's not quite a scenario from a James Bond movie, but the rush to lock up scarce water resources in agricultural belts is nonetheless disturbing. It suggests another food crisis might not be too far away.

""Water-whether we treat it as a public good or as a commodity that can be bought and sold-will in large part determine whether our future is peaceful or perilous," wrote the scholar Maude Barlow."

"Austin, Texas (CNN) -- Four years ago an unknown startup called MakerBot showed up at the South by Southwest Interactive conference here with a prototype of its first desktop 3-D printer, which spit out plastic replicas of small objects. Bre Pettis, the company's co-founder, took the machine around to Austin's watering holes, set it on the bar and showed off its capabilities by printing shot glasses. "They were pretty popular," he said. On Friday, Pettis was back at SXSW, this time as a keynote speaker before a packed hall of 3,000 people, further evidence that 3-D printing is a hot trend in the tech world. Once again, he brought a new prototype with him."

"The Human Race to the Future: What Could Happen - and What to Do, by Dr. Daniel Berleant (388 pages), the first book published by the Lifeboat Foundation, is available free (Kindle version) to KurzweilAI readers on July 8 as a one-day promo. A non-fiction book verging on science fiction, its imaginative future scenarios include colonizing the planet Mercury (it has water at the poles), GPS-enabled clocks replace daylight savings time, mind-reading replaces keyboards, cheap genomes, smart pills, the Asteroid Apocalypse, global warming vs. Big Ice, and live anywhere, work anywhere - an hour's work yields a week's (radically genetically engineered) food. "Mandatory reading for anyone trying to grasp where civilization is heading" - Zoltan Istvan, author, The Transhumanist Wager."

Over the next few decades, the global food system will come under renewed pressure from the combined effects of seven fundamental factors: population growth, the nutrition transition, energy, land, water, labour and climate change. The combined effects will create constraints on food supply and if action is not taken, there is a real potential for demand growth to outstrip increases in global food production. Effects on developing countries would be devastating. Developed countries will be affected too. Expectations of abundant and ever cheaper food could come under strain. The UK can no longer afford to take its food supply for granted.

"A generation of far-reaching social change lies ahead for Australia. There will be a serious struggle to adapt to climate change as water security becomes a critical issue for many coastal cities and for agriculture. "

"HONOLULU, Hawaii, U.S., May 26, 2011 (IPS) - For the past quarter century, the United States' relations with Pacific island nations were framed by the South Pacific Tuna Treaty, which combines foreign aid, subsidies to the U.S. fleet of purse-seine fishing vessels and their largely unfettered access to the islands' waters, which contain the world's last major stocks of tuna."

"Based on the current situation we have projected changes in the sea level 500 years into the future," says Aslak Grinsted, a researcher at the Centre for Ice and Climate, the Niels Bohr Institute at the University of Copenhagen. His group forms part of a team that has calculated the long-term outlook for rising sea levels in relations to the emission of greenhouse gases and pollution of the atmosphere.

"A NEW citizen science project will be launched next month to help researchers assess how our marine ecosystems are changing in response to ocean warming. Currently each year over three million Australian's go fishing, diving and boating and scientists want to enlist their help to collect valuable data for the RangeExtension Database and Mapping Project. Redmap invites recreational and commercial fishers, scuba divers, boaters and scientists in Western Australia to spot, log and map any uncommon marine species not usually seen in their particular coastal areas."

"IRVINE, Calif. - Scientists have been using small variations in the Earth's gravity to identify trouble spots around the globe where people are making unsustainable demands on groundwater, one of the planet's main sources of fresh water. "

AARHUS, Denmark, Jun 15, 2011 (IPS) - Images of the immense, dark stain of oil covering the waters of the Gulf of Mexico made their way across the globe last year as one of the largest oil spills in history unfolded. Other images - of the 'Great Pacific Garbage Patch', a gigantic pile of litter floating in the North Pacific Ocean; of countless felled trees in the Amazon; of tar sands in Canada - have gained much fewer headlines, but are likely to remain as monuments to the price tag of wanton human appetites.