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The latest environmental news, from the most reliable sources, all in one place.
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Plankton, base of ocean food web, in big decline. |
| Worldwide phytoplankton levels are down 40 percent since the 1950s, according to a study published Wednesday in the journal Nature. The likely cause is global warming, which makes it hard for the plant plankton to get vital nutrients, say researchers who described their results as both staggering and disturbing. |
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Accidents plague China's workplaces. |
| Mishaps that threaten lives and the environment are an everyday occurrence in China's workplaces—in coal mines, fireworks plants or at ports. In the first half of this year, an average of 187 people died per day in industrial accidents, China's government reported this month. |
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Plan to ship radioactive generators on Great Lakes faces backlash. |
| A global outcry is growing over a proposal to ship 16 aging radioactive steam generators across Ontario's Great Lakes, a plan critics say risks turning the iconic waterways into a permanent corridor for the transportation of nuclear waste. |
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Galapagos Removed From Endangered List |
The Galapagos Islands have been removed from the UNESCO list of sites endangered by environmental threats or overuse. The island chain, about 620 miles off Ecuador's coast, is home to unique animal species that inspired Charles Darwin's ideas on evolution. |
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Ten key indicators show global warming "undeniable" |
Melting glaciers, more humid air and eight other key indicators show that global warming is undeniable, scientists said on Wednesday, citing a new comprehensive review of the last decade of climate data.
Without addressing why this is happening, the researchers said there was no doubt that every decade on Earth since the 1980s has been hotter than the previous one, and that the planet has been warming for the last half-century.
This confirms the findings of the U.N. Intergovernmental Panel on Climate Change, which reported in 2007 with 90 percent certainty that climate change is occurring. The IPCC also said that human activities contribute to this phenomenon.
The new report was released after U.S. Senate Democrats delayed any possible legislation to curb climate change until September at the earliest. Prospects for U.S. climate change legislation this year are considered slim. |
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The Arctic Continental Shelf |
The Arctic still has unmapped and unknown areas. In particular, there is the continental shelf that extends out from the American and Canadian northern lands. Who controls it? Who has the right to drill for example which then leads into the complicated morass of environmental rules and controls. American and Canadian scientists are setting sail this summer to map the Arctic seafloor and gather data to help define the outer limits of the continental shelf. Each coastal nation may exercise sovereign rights over the natural resources of their continental shelf, which includes the seabed and subsoil. These rights include control over minerals, petroleum, and sedentary organisms such as clams, crabs and coral. |
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Gulf seafood tested for oil but not dispersant. |
| No one is testing seafood to tell whether it has absorbed the toxic compounds found in the nearly 1.8 million gallons of dispersants BP has poured into the water to break up the oil. |
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Ten Nations at 'Extreme Risk' Because of Water Shortages, Report Says |
| Ten countries worldwide, including five African nations, are at "extreme risk" because of limited access to clean, fresh water, according to a new global water security index. And the effects of climate change and population growth will exacerbate the stress on these water supplies, potentially threatening stability in many regions, according to the analysis by Maplecroft , a UK-based consulting group. |
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More frequent, more intense heat waves in store for New York |
| (City College of New York) Heat waves like those that baked the Northeast in July are likely to be more frequent and more intense in the future, with their effects amplified in densely built urban environments like Manhattan, according to climate scientists at the City College of New York. |
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Rocks on Mars may provide link to evidence of living organisms roughly 4 billion years ago |
| (Elsevier) A new article in press of the journal Earth and Planetary Science Letters unveils groundbreaking research on the hydrothermal formation of clay-carbonate rocks in the Nili Fossae region of Mars. The findings may provide a link to evidence of living organisms on Mars, roughly 4 billion years ago in the Noachian period. |
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Carnegie's Larry Nittler elected meteoritical Fellow |
| (Carnegie Institution) Department of Terrestrial Magnetism staff member Larry Nittler has been elected a fellow of the Meteoritical Society. Society fellows are "members who have distinguished themselves in meteoritics or allied sciences." Just one percent of the membership can be elected by the society's council on even-numbered years. |
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Habitat Preservation Strategies |
| In the early 1980's, it looked like the Pacific Northwest might lose all its old growth forests to logging.
Enter, The Northwest Forest Plan. Adopted in 1994, the plan aimed to protect species by managing harvests within a 24.4 million acre habitat in Oregon, Washington and Northern California. But the plan proved difficult to implement, since little is known about many of the three hundred rare plant and animal species living there!
Recently, researchers compiled a book that, by including many different voices, sheds new light on protecting species unique to old growth forests. Martin Raphael and Randy Molina's Conservation of Rare or Little Known Species features leading ecologists, biologists, botanists, economists and sociologists discussing widely varied conservation approaches. It also explores the practical considerations for implementing those approaches.
One observation the book makes is that focusing on protecting a single species can be costly and inefficient. Instead, it gives examples of how protecting key habitats and locations will protect more species over the long run.
Learn more about protecting biodiversity in your own backyard.
Script by Stephen Webb |
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Reattaching Giant Sponges |
| The animated character Spongebob Squarepants is running loose on the ocean floor everyday of the week after school on the Nickelodean channel. And so are Spongebob's real-life cousins the Giant Barrel sponges, though not by choice.
Giant sponges? Yep. Think of big oil drums, but squishy. And, like oak trees in a meadow, they dominate the reefs they live on. Undisturbed they live to be hundreds, even thousands of years old.
Joseph Pawlick of the University of North Carolina-Wilmington says that storms, marine debris and human items such as anchor chains dislodge these gentle giants. Once loose, eroded by the currents, these man-sized sea sponges of the Caribbean slowly die.
Pawlick says it's vital to reattach stray sponges, if they are to survive. Now his team has developed a solution made from everyday PVC pipes. Anchored into concrete blocks on a plastic mesh base, they clip a sponge in place until it naturally attaches itself back to underlying reef.
So far, ninety percent of sponges clipped in deep water have survived, many reattaching to the reef in as little as six months.
It's a clever idea that's giving roots -- and a new chance for survival -- to the Giant Barrel sponge.
Script by Bob Rhein |
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Farming the Wind |
| Farming has always been subject to the uncertainties of weather and market conditions. But farmers in Huron County, Michigan, have found something they finally can count on.
The wind!
Blowing across Lake Huron, the wind there is always ripe for harvesting. A patch of thirty two turbines have already been planted. And plans for 42 more are underway.
Bob Krohn, a farmer in the area, anticipates reaping up to $30,000 per year from just three windmills on his property. It's a welcome source of revenue where incomes are fifteen percent below the national average.
Michigan is another in a growing list of farm belt states like Texas, Iowa, Minnesota and others, where wind power is becoming a major industry. Many of these states require utilities to generate a certain percentage of electricity from alternative sources. Other than concerns about creating hazards for birds, windmills are readily accepted in rural areas.
In fact, some see them as a way of preserving our rich agricultural heritage. After all, what would you prefer in your backyard? A subdivision of homes, coal-burning power plant, or wind turbines?
Script by Stephen Webb |
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AUSTRALIA: Marine Biodiversity Threatened by Oil, Gas Exploration |
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In early July, whales from the world's largest population of
humpbacks began arriving in the warm, subtropical waters off
Australia's north-west coast to breed and nurse their young.
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SOUTH-EAST ASIA: Thailand Faces Flak for Backing Mekong Dams |
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Northern Thai villagers living on Mekong River's banks are
poised to join a growing tide of opposition against a planned
cascade of 11 dams to be built on the mainstream of South-east
Asia's largest body of water.
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PERU: Adios, Doe Run |
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Peruvian President Alan García confirmed Wednesday that the permit of the U.S. mining and metallurgical company Doe Run to operate a major smelter complex was being cancelled because the firm missed the deadline for proving that it had the necessary financing to restart operations and complete an environmental cleanup.
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hybrid cars
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Plankton, base of ocean food web, in big decline. |
| Worldwide phytoplankton levels are down 40 percent since the 1950s, according to a study published Wednesday in the journal Nature. The likely cause is global warming, which makes it hard for the plant plankton to get vital nutrients, say researchers who described their results as both staggering and disturbing. |
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The global farm. |
| With its plentiful sun, water and land, Brazil is quickly surpassing other countries in food production and exports. But can it continue to make agricultural gains without destroying the Amazon? |
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Research says climate change undeniable. |
| International scientists have injected fresh evidence into the debate over global warming, saying that climate change is “undeniable” and shows clear signs of “human fingerprints” in the first major piece of research since the “Climategate” controversy. |
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