Blue Marble

Catching Big Pharma's Little Lies, Teens Bust GlaxoSmithKline

| Tue Apr. 3, 2007 10:04 PM PDT

A blackcurrant drink produced by drug giant GlaxoSmithKline was advertised as having way more Vitamin C than it actually does. What's cool is that the independent investigation was conducted by two 14-year-old girls for a science fair project. As Seed Magazine reports, New Zealanders Anna Devathasan and Jenny Suo tested the Vitamin C content of eight juices, with most matching their advertised C content. But Ribena, which claimed to have four times as much Vitamin C as oranges, fell far short. The teens tried to contact the company directly, but failed to get a response. So they went to a consumer affairs TV show and then the Commerce Commission. After two years, GlaxoSmithKline finally admitted breaching the Fair Trading Act. They'll pay a fine and change the labeling on the drink. Tch tch. How about detention?--Julia Whitty

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Race For A Green Car, X Prize To Offer Millions

| Tue Apr. 3, 2007 8:33 PM PDT

The X Prize Foundation has announced a competition to build an environmentally friendly car. Nature reports that the winning vehicle will have to achieve at least 100 miles per gallon, regardless of the type of fuel it uses. Its carbon emissions have to be no more than 210 grams of carbon per mile. And it has to be cheap enough to expect sales of 10,000 a year.

That'll be a huge improvement on today's US average of about 21 miles per gallon. The prize's challenge lies more in manufacturing and economics than in developing radical new technologies. To achieve 100 miles per gallon can be done with existing technology, but requiring a radical redesign.

The rules are currently in draft form, and are open to public comment for 60 days beginning 2 April. The prize's value has not yet been announced, but will likely be more than $10 million. The previous two X Prizes, for spaceflight and genomics, each had a value of $10 million. --Julia Whitty

Scientists Turn Old Garbage Into New Homes

| Tue Apr. 3, 2007 5:38 PM PDT

A British civil engineer has invented a building block made almost entirely of recycled glass, metal slag, sewage sludge and ash from power stations. John Forth of the University of Leeds said his "Bitublocks" might revolutionize the building industry by providing a sustainable, low-energy replacement for concrete blocks. This according to UPI via Science Daily.

The secret ingredient is asphalt, which binds the mixture of waste products together, before compacting them to form a solid block that is heat-cured until it hardens like concrete. Forth said it's possible to use a higher proportion of waste in the Bitublock than by using a cement or clay binder. He's now working on developing a "Vegeblock" using waste vegetable oil as the binder.

Another noble reincarnation for MacDonald's used french-fry grease?--Julia Whitty

World Oil Production Close To Peak, Good Riddance

| Tue Apr. 3, 2007 5:21 PM PDT

In a worst-case scenario, global oil production may reach its peak next year, before starting to decline. In a best-case scenario, this peak will be reached in 2018. This according to the doctoral thesis of Fredrik Robelius of Uppsala University in Sweden. He estimates future oil production on the basis of the largest oil fields.

A giant oil field contains at least 500 million barrels of recoverable oil. Only 507, or 1% of the total number of fields, are giants. Their contribution is striking: over 60% of 2005 production. However, giant fields are impending dinosaurs since a majority are over 50 years old--and fewer are being found, with less volume available within them.

Robelius' model forecasts future production from giant fields, combined with forecasts on other oil sources, to predict future oil production. In all scenarios, peak oil occurs at about the same time as the giant fields peak. The worst-case scenario sees a peak in 2008 and the best-case scenario, following a 1.4 % demand growth, peaks in 2018.--Julia Whitty

Weird Weather Watch: Fire Near L.A.

| Mon Apr. 2, 2007 2:51 PM PDT

As I blogged before, dry conditions and long-lasting Santa Ana winds are making Southern California especially prone to fire. This weekend, a fire in Hesperia burned 2,500 acres. It is now 50 percent contained, and, if winds remain calm, should be fully contained by this evening.

But every fire makes the area's weird weather prospects worse. Fires release carbon dioxide and methane, two key greenhouse gases. Firefighters use helicopters and trucks, which also release carbon dioxide. And lost acres mean fewer trees to absorb those gases.

Supreme Court Chastises Bush Administration For "Arbitrary, Capricious" Handling of Climate Change

| Mon Apr. 2, 2007 11:35 AM PDT

Even the Supreme Court justices appointed by Bush I and Bush II (Thomas, Roberts, and Alito) couldn't stop the Court from repudiating the current Administration's head-in-the–sand approach for dealing with climate change. Today's 5-4 decision in Massachusetts v. EPA, called the administration's approach "arbitrary, capricious ... or otherwise not in accordance with law" and found that the EPA does in fact have the authority to regulate greenhouse-causing gases under the Clean Air Act.

The majority opinion contends that the "EPA has offered no reasoned explanation for its refusal to decide whether greenhouse gases cause or contribute to climate change." While the decision does not necessarily compel the EPA to regulate carbon emissions (and don't hold your breath), the ruling is significant since it frees the hand of the next President to regulate carbon and methane emissions without Congress passing additional legislation.

What the decision also does is clear the way for states to reduce greenhouse emissions with initiatives of their own. In the past, states like California that have asked the EPA for special permission to apply more stringent carbon emission limits on automobiles have been stymied by the Administration's claim that the Clean Air Act does not provide the authority to do so.

—Koshlan Mayer-Blackwell

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Canadian Baby Seal Hunt Likely Scrapped as Ice Melts, Pups Drown

| Mon Apr. 2, 2007 10:04 AM PDT

CNN running a story this morning from Reuters that Canada may be forced to halt the first stage of its annual hunt of baby fur seals. Because the Canadians' have seen reason? Frack no. They still want to kill at least the 325,000 they got last year. Because the ice has melted and it's likely all the baby seals have drowned. How's that for global warming for you? The melt took place in the Gulf of St. Lawrence. Stage two is set for the waters off Newfoundland later this month.

Brazil Cracks Down on Soy

| Fri Mar. 30, 2007 6:59 PM PDT

Brazil's environmental agency is finally cracking down on the soy crop that has been devastating the Amazon. In response to Greenpeace activism, Brazil has closed a soy-processing facility and port both operated by the U.S.-based multinational Cargill. Greenpeace has been publicizing the fact that large swaths of rainforest are being cleared to make room for the soy crop. Last May, a Greenpeace ship blocked the port. Vegetarians can keep eating tofu in peace, because according to the Greenpeace report, "Eating up the Amazon," the Amazonian soy crop actually feeds chickens that wind up in fast-food restaurants and supermarkets.

Overfishing Large Sharks Impacts Entire Marine Ecosystem

| Thu Mar. 29, 2007 9:59 PM PDT

Ransom's Myers last paper before his death this week reports that fewer big sharks in the oceans also means bay scallops are harder to find at market. Ecologists and scientists have thought for a long time that the effects of removing the ocean's top predators, big sharks, would cascade through the food web. This is the first study to demonstrate that cause and effect—a holy grail of conservation biology.

A team of Canadian and American ecologists, led by Myers and Julia Baum, found that overfishing the largest predatory sharks (such as bull, hammerhead, dusky, and great white sharks) along the Atlantic Coast led to an explosion of ray, skate, and small shark prey species, according to a Dalhousie University press release. Myers held the Killam Chair in Ocean Studies at Dalhousie. The paper appears in this week's Science.

"With fewer sharks around, the species they prey upon – like cownose rays – have increased in numbers and in turn, hordes of cownose rays dining on bay scallops have wiped the scallops out," says Julia Baum, a co-author of the article. "Large sharks have been functionally eliminated from the east coast of the U.S., meaning that they can no longer perform their ecosystem role as top predators. The extent of the declines shouldn't be a surprise, considering how heavily large sharks have been fished in recent decades to meet the growing worldwide demand for shark fins and meat.

"Our study provides evidence that the loss of great sharks triggers changes that cascade throughout coastal food webs," says Baum. "Solutions include enhancing protection of great sharks by substantially reducing fishing pressure on all of these species and enforcing bans on shark finning both in national waters and on the high seas."

Loss of a Great Scientist, Ransom Myers Dies of Brain Cancer

| Thu Mar. 29, 2007 8:28 PM PDT

The science world lost a great this week. Ransom Myers of Dalhousie University in Nova Scotia warned at length, using solid science and brilliant analysis, of the dangers of overfishing. He didn't mince words and he wasn't afraid to report bad news. As the Guelph Mercury reports, the 54-year-old biologist, originally from Mississippi, was known for his groundbreaking research and blunt warnings about the extinction of marine life around the world, and for his irrepressible passion for conservation that not even cancer could quell.

Despite his illness, another groundbreaking scientific paper on shark population declines that Myers co-wrote was published this week in Science, a testament to his boundless energy and ability to carry on in the face of grave adversity. "He was just so extraordinarily driven to try to provide the science and to address the scientific questions so we can start seeing more effective shark conservation," Julia Baum, co-author on his last paper, told the Guelph Mercury.

That passion for marine conservation stemmed from his days in St. John's, Newfoundland, Canada, where he worked for the Department of Fisheries and Oceans at a time when the industry was watching the collapse of the cod fishery. He became, says the Guelph Mercury, a lone, unpopular voice in the emotional discussion about the cause of the collapse, insisting overfishing was the main factor in the decimation of a fishery central to island life. The world was in "massive denial," he said, and spending its energy fighting over the few fish left instead of cutting catch limits before it was too late.

A Washington Post obituary reports that Myers analyzed vast amounts of data from government and industry reports around the globe, establishing that the size of large fish declined dramatically in recent decades. Tuna used to be twice as big, and marlins were once as large as killer whales. He warned governments, the fishing industry and consumers that unless commercial fishing is sharply curtailed many large marine species will become extinct, leading to economic disruptions, food shortages, and lasting damage to marine ecosystems. He said his conclusions were shocking because people had lost sight of the true magnitude of the declines because they did not look back far enough in history. In other words, we've forgotten how big fish used to be and how many of them once lived in the sea.

His seminal paper on fisheries declines was reported in Mother Jones' "The Fate of the Ocean."

The world will sorely miss his voice, commitment, intelligence, and common sense. Let's hope more scientists emulate his fearless lead.