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"The prize is reallya first salvo in our efforts to understand what we are up against in the ocean," says Paul Bunje of the X Prize Foundation, based in Playa Vista, Calif. Best known for spacecraft design competitions, the foundation has turned its attention to health care and environmental challenges as well in recent years. "We want to to serve as an engine for innovation in marine technology," Bunje says.

Ocean water is actually slightly alkaline, not acidic, but increased carbon dioxide emissions from burning fossils fuels have shifted the chemistry of seawater in that direction. The effect has been seen in coastal measurements made by National Oceanic and Atmospheric Administration research cruises and by West Coast oyster farmers who have repeatedly seen shellfish hatcheries decimated by upwellings of more corrosive seawater over the last decade. The cause is the ocean's absorption of about 23% of all manmade carbon dioxide emissions, according to a 2012 Earth System Science Data journal report, more than 8 billion tons of it every year.

"We are changing the chemistry of the oceans that tens of millions of people depend upon to survive and we don't have good enough ways to know what is going on there," says Frances Beinecke of the Natural Resources Defense Council, an environmental group based in New York. "I think this prize is a great way of focusing on getting us what we need to know, and don't now, about the ocean."

The prize competition will end with four finalists undergoing ocean trials of their sensors, aimed at testing accuracy, durability and the flexibility to form a network of thousands of acidity sensors under realworld conditions. Understanding how ocean acidification impacts coral reefs that serve as nurseries for sea life and the marine plankton that creates half of the oxygen we breathe is an urgent concern for many ocean researchers. "We think competitions are a great way to not only deliver us the technology we need but to raise the public's understanding of this problem," Bunje says.

Zapatillas hechas con botellas de pl

Attention ecoinclined fitness types: Athletic shoemaker New Balance iZ to raise money for Obama

FILE This Nov. 2, 2008 file photo shows JayZ, right, speaking to Sen. Barrack Obama, DIll., supporters as Diddy, center, and Russell Simmons, left, look on during a campaign rally for thenDemocratic presidential candidate Sen. Barack Obama in Miami. President Barack Obama's reelection campaign is getting a boost from pop stars Beyonce and JayZ. The superstar couple will hold a fundraiser with Obama on Tuesday at a swanky New York nightclub that JayZ owns. Tickets are $40,000, but the campaign says a small donation lands a chance to win two tickets and hotel included. Beyonce says in an email to Obama's supporters that she's a huge fan and will do whatever it takes to help him win a close race. This isn't the first time the Obamas have teamed up with the Alist couple to promote each other's causes. Michelle Obama helped Beyonce with efforts to promote global humanitarianism, and the president appeared in a prerecorded video earlier this month at a JayZ event in Philadelphia.

s releasing a new sneaker line this month that features an upper made mostly out of recycled plastic bottles.New Balance announces the launch of a line of sneakers made from 95% postconsumer recycled plastic bottles. The new design, named NewSKY replaces foam, leather and virgin plastic with a fleecelike material made from recycled PET.Plastic bottles are chopped up into flakes, heated and molded into fiber to create the strong and versatile material, known commercially as Ecofi. The company says that it takes about 12 bottles to produce a pound of the fiber; it takes approximately 8 bottles to design an average pair of NewSKY shoes.A streamlined look was chosen to accommodate the fabric unique characteristics, and design elements like a slimmer outsole were borrowed from the NB Minimus to minimize waste and maximize comfort.By making the most of the fabric ability to change through heating, molding and pressing, designers were able to eliminate most reinforcement materials and nonrecycled components.The recycled material lighter weight and excellent thermal conductivity make it a smart choice for runners, the company said. Ecofi material is about 10% lighter than cotton and keeps out the cold better than nylon or wool.It is also hydrophobic fiber, which repels water to keep feet dry and clean. The NewSKY shoe for men and women is available for purchase in stores and.When you have outrun or outwalked or outtrained your shoes, you can donate them via a link on the New Balance web site for this purpose.Este art va dedicado a todas aquellas personas a las que les gusta hacer deporte y al mismo tiempo son ecolNew Balance acaba de lanzar una nueva l de zapatillas que tienen un gran diferenciador: est compuestas por un 95% de botellas de pl recicladas. De acuerdo a la compa para hacer una libra (0,45 kg) de fibra se necesitan 12 botellas; y para dise un par de zapatos NewSKY promedio, se necesitan alrededor de 8 botellas.Para poder dar cabida a las caracter del nuevo material, se dio a las zapatillas un aspecto aerodin tambi se incluy una suela delgada del modelo Minimus de New Balance para minimizar el desperdicio y maximizar el confort.Los dise aprovecharon al m las capacidades propias del tejido, capaz de adaptarse al calor, f de moldear y prensar; eliminando as la mayor de los materiales de refuerzo y los componentes no reciclables.Ecofi es mucho m ligero y un excelente conductor termal, por lo que es la mejor opci para los corredores. Es aproximadamente 10% m ligero que el algod y protege del fr mejor que el nylon o la lana.

Zarqawi as poor gunman military commander.

Maj. Gen. Rick Lynch on Thursday showed excerpts of the full video, found in a raid in Yusufiya south of Baghdad, that depict alZarqawi, leader of al Qaeda in Iraq, and his aides appearing allthumbs with firearms.

The video also showed the militant, dressed in black fighter's garb, standing in an open field and firing a machine gun. ( Watch experts point out Zarqawi's mistakes 2:37)

Lynch showed parts of the "complete video" that pictured the militant leader and what he called "supposedly competent" aides after alZarqawi was seen firing the machine gun.