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Dome or garbage to seal hole drilled thru seafloor in Earth crust spewing oil?..dispersant chemicals make pollution worse
BP has dumped about 160,000 gallons of Corexit – chemical dispersant made by the Nalco Company - in the Gulf (as well as pumping 6,000 gallons more all the way down to the leak location). The dispersant particles bind to oil, sink, and are carried away by ocean currents. But while that could help keep a spill from reaching the shores en masse, it means the oil isn’t actually “cleaned up,” but rather diluted. And the dispersant chemicals themselves can be dangerous. Nalco’s own documents go into detail about compounds that must be handled with great care in their original form, that should not touch the skin and can damage lungs.
Top: Gulf oil spill: giant containment box towed to site. BP tows a huge dome into the Gulf of Mexico, but it is far from certain whether it can stop the oil gushing from the seafloor.Efforts on Wednesday to contain the Gulf of Mexico oil spill centered on a towering metal box the size of a four-story building that engineering teams hope will corral the crude that continues to spout from the seafloor. Bottom: Oil from the massive Deepwater Horizon spill is seen on the surface of the water in Breton and Chandeleur Sound, off the Louisiana coast. read more »
Choice & Consequence: solar, wind energy vs deepwater drilling..4.2 million oil spews into ocean /day..birds, turtles, fish dead
Top: "Large Air Spill at Wind Farm. No threats reported. Some claim to enjoy the breeze.". Bottom: in Gulf of Mexico, Deepwater Horizon oil rig explodes, burns, sinks (2 days later on Earth Day).
Gulf Oil Spill: ~210,000 gallons of oil leaking per day.
Legal battles for Earth: Amazon defenders & James Cameron stall dam; Malaysian Judge gives lands back to rainforest community
Avatar director James Cameron played a part in halting an industrial development project that threatens indigenous people of the Amazon.
Palm oil plantation. Inset: deforestation by a logging company around a Penan village in the Middle Baram region in Sarawak.
The Avatar director and one of its stars have played a part in halting an industrial development project that threatens indigenous people of the Amazon. Earlier this week, we brought you the story of James Cameron and Sigourney Weaver's trip to Brazil to raise awareness of the indigenous communities’ battles to stop the massive Belo Monte Dam on the Xingu River in the Amazon rainforest. We are now happy to report that the Dam Project Auctions have been canceled, and both stars are now in Washington DC for meetings with US Government officials.
Judge Antonio Carlos de Almeida Campelo granted a preliminary injunction (urgent) seeing “danger of irreparable harm” considering the imminence of the auction. The decision is the result of the assessment of one of two public civil actions filed by federal prosecutors dealing with irregularities of the enterprise. It focuses specifically on the lack of regulation of Article 176 of the Federal Constitution of Brazil, which requires the issuing of an ordinary law for the use of hydraulic potential on Indian lands. read more »
Ocean pollution. Sea "dead zones", oxygen-deprived, fishless: 1st recorded in 1970, 417 in 2008, largest covers 70,000 sq km
A new global study of Earth’s oceans shows a rapid rise in the number of “dead zones” - areas of seafloor with too little oxygen to sustain most marine life. The oxygen-starved waters have proliferated since the 1960s and now rank as one of the world's most pressing environmental problems.
Clocking in at over 8000 square miles (21,000 km2) this year, probably the largest dead zone today stems from the Mississippi River delta in the Gulf of Mexico. This is a site at the confluence of significant farming in the midwest and significant fishing (and shrimping) in the Gulf area. The dead zone spans east to west along the Louisiana and Texas coasts.
Several visible sites with expanding dead zones. Mississippi Delta at the top, with Yangtze River in the bottom left and Pearl River in the bottom right. The dead zones are the tinted clouds swirling at the coastal edge.
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Humans drive extinction faster than species can evolve; diversity loss due to destroyed habitats & climate change
Threatened. L: the red squirrel will be lost within the next 20-30 years unless effective action is taken. This poor fella's just heard the news. R: the pine marten. One of England’s rarest, & cutest, mammals.
A pair of giraffes nuzzle as they stand in the bush near Koure, Niger. The IUCN lists west African giraffes as an endangered species.
A giraffe from Africa's most endangered giraffe subspecies. Their numbers have quadrupled to 200 since 1996, an unlikely boon experts credit to the impoverished government keen for revenue that has enacted laws to protect them, a conservation program that encourages people to support them, and a rare harmony with humans who have accepted their presence.
Climate change is robbing polar bears of their habitats, & is the greatest threat to their survival.
Polar bear products are used for furs, rugs and taxidermy. Melting sea ice in Arctic will kill thousands of bears in coming years; US says commercial trade must not be allowed to make the situation worse. read more »
Giant iceberg, 965sqmi (2500sqkm, 400m thick) split fr Antarctica, holding "enough water to fill River Thames 100 times."
An giant iceberg has broken off from Antarctica, created when it was hit by another iceberg two weeks ago. The size of Luxemberg, it could disrupt ocean circulation patterns.
The 965 sq mile (2,500 sq km) block of ice broke off from the Mertz Glacier which ends in a floating tongue of ice that protrudes 100 miles (160 km) out into the Southern Ocean. The 'calving' - or splitting of the ice sheet - resulted a collision with another iceberg.
Glaciers are melting, sea levels are rising, cloud forests are drying, and wildlife is scrambling to keep pace. It's becoming clear that humans have caused most of the past century's warming by releasing heat-trapping gases as we power our modern lives. Called greenhouse gases, their levels are higher now than in the last 650,000 years.
A large iceberg was spotted off an island about halfway between Antarctica and Australia, a rare sight in waters so far north. read more »
Pope Benedict XVI: "human dignity must be preserved", criticizing body scanners which Rabbis say violate Jewish women's rights
"Every action, it is above all essential to protect and value the human person in their integrity". "For you this reality represents an ever more task of complex organization and it is a labour that if often discreet and barely known, not always noted but which does not escape the eyes of God, who sees all of Man's works even those that are hidden."
The Pope made his comments during an audience with airport workers held at the Vatican. Although the Pontiff did not mention the words body scanner it was clear what he meant as he told the 1,200 strong crowd: "Every action, it is above all essential to protect and value the human person in their integrity.
"Respecting these principles can seem particularly complex and difficult in the present context.
"The economic crisis has had problematic effects on the civil aviation sector, the international terrorist threat which, precisely, has in its line of fire airports and aircraft to realise its destructive schemes. read more »
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