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More than 12,000 opponents of the proposed Keystone XL oil pipeline encircled the White House in Washington, D.C. on Nov. 6, weeks before President Obama's expected decision on what's become an iconic environmental battle.

Running to the Gulf of Mexico from Alberta's oil fields, the pipeline would cut through the Great Plains and threaten oil spills into the Oglalla aquifer, the single largest source of fresh water in the United States.

Though federal permits haven't yet been granted, landowners on the pipeline's path have been threatened with eminent domain land seizures; the federal review process has been corrupt, steered by oil company executives with insider connections and industry-hired consultants.

The report, The Chaos Of Clean-Up, was prepared in response to widespread public concern among Gulf Coast communities about the safety of chemicals, known as dispersants, that were poured into the Gulf of Mexico to disperse oil during the Deepwater Horizon disaster. This report presents findings from a literature review of scientific research on each of 57 chemical ingredients that are found in dispersants that were eligible for use at the time of the Deepwater Horizon disaster. The ingredients and formulas for various dispersants on the market typically are not available, and it is not fully known which chemical ingredients among the 57 are found in which dispersant.

The review demonstrates the wide range of potential impacts from exposure to the chemicals found in dispersants. From carcinogens, to endocrine disruptors, to chemicals that are toxic to aquatic organisms, some of the ingredients in oil dispersants are indeed potential hazards. For instance, of the 57 ingredients, 5 chemicals are associated with cancer 33 chemicals are associated with skin irritation, from rashes to burns 33 chemicals are linked to eye irritation 11 chemicals are suspected or potential respiratory toxins or irritants 10 chemicals are suspected kidney toxins.

As for potential effects on the marine environment, 8 chemicals are suspected or known to be toxic to aquatic organisms 5 chemicals are suspected to have a moderate acute toxicity to fish Clearly, some of the chemical ingredients are more toxic than others, and some dispersants are more toxic in particular environments. The widely-varying toxicity of different dispersants underscores the importance of full disclosure and proper selection of dispersants for use in oil spill response.

A recent study has confirmed that toxic compounds derived from oil that was released in the Deepwater Horizon spill that occurred in the Gulf of Mexico nearly two years ago has entered the ocean's food chain through microorganisms.

The study, funded by the National Science Foundation and led by a team of researchers from East Carolina University, the University of Maryland Center for Environmental Science, Oregon State University, Georgia Institute of Technology, and the U.S. Geological Survey, detected chemical compounds found in oil called hydrocarbons, some known to be carcinogenic, within the bodies of microscopic crustaceans called zooplankton.

"Our research helped to determine a 'fingerprint' of the Deepwater Horizon spill--something that other researchers interested in the spill may be able to use," Dr. Siddhartha Mitra of East Carolina University said in a statement. "Furthermore, our work demonstrated that zooplankton in the Northern Gulf of Mexico accumulated toxic compounds derived from the Macondo well." Zooplankton form the base of the ocean's food web and are typically fed upon by fish larva and smaller crustaceans, said Dr. David Kimmel of East Carolina University. Whether or not these larger organisms have accumulated significant amounts of toxic compounds, or has entered the human food chain, has yet to be determined. "That is certainly one of the questions we would like to see answered with more research," said Dr. Mitra in a phone interview.

In a bombshell revelation that’s going viral, BP has admitted to conducting a study to “track oil from seabed to surface” in the Macondo Prospect. Sounds to me like they’ve found a leak. Not so fast. A leak would suggest BP is to blame (perish the thought), but a “natural seep” would imply an act of God, conveniently out of the hands of mere mortals. Here’s how Sabrina Canfield covered the BP disclosure for Courthouse News Service on Nov. 21:

nd a leak.

In an emailed statement late Friday, a representative from BP verified that several vessels are in the vicinity of the Macondo well: “There are several vessels there participating in a study of natural oil seeps. This study has been ongoing for the past month or so. Data continues being collected and we provided an update on the natural oil seeps at the SETAC [Society of Environmental Toxicology and Chemistry] conference in Boston this week. … The study is documenting the specific locations of these seeps and is seeking to track oil flow from seabed to surface,” BP wrote. If there are seeps in the area, they are not natural. I can assure you of that. BP was required to conduct a seafloor survey prior to applying for a permit to drill. If these seeps were not discovered during the survey – which they apparently weren’t – they must be related to the disaster and the heavy-handed methods used to attempt to seal the well.

Global warming became a cause to save life on earth before it had a chance to become good science.  The belief that fossil fuel use is an emergency destroying our planet by CO2 emissions took over the media and political arena by storm.  The issue was politicized so quickly that the normal scientific process was stunted.  We have never had a full, honest national debate on either the science or government policy issues. Everyone "knows" that global warming is true.  The public has no idea of the number of scientists -- precisely one thousand at last count of a congressional committee -- who believe that global warming is benign and natural, and that it ended in 1998.  We have not been informed of the costs to our economy of discouraging fossil fuel development and promoting alternatives.  The public need to know the choices being made on their behalf, and to have a say in the matter.  We are constantly told that the scientific and policy debate on global warming is over.  It has just begun.

The worst hurricanes were in 1926, the second-worst in 1900.  The world's top hurricane experts say that there is no evidence that global warming affects storms.

More and more scientists are revolting against the global warming consensus enforced by government funding, the academic establishment, and media misrepresentation.  They are saying that solar cycles and the complex systems of cloud formation have much more influence on our climate, and account for historical periods of warming and cooling much more accurately that a straight line graph of industrialization, CO2, and rising temperatures.  They also point out that the rising temperatures that set off the global warming panic ended in 1998.

The possibly failed salt cavern may be closer to the outer wall of the Napoleonville Dome than Texas Brine officials believed.• DNR defended the timing of its disclosures about the history surrounding the salt cavern as matching the emerging facts of the incidents in Bayou Corne.• Sonny Cranch, Texas Brine spokesman, said company officials have been as surprised as anyone about a possible collapse of their salt cavern.• DNR officials allowed Texas Brine to deposit naturally-occurring radioactive material arising from drilling into two company salt caverns, including the one that may have breached in the Bayou Corne area. As of Wednesday, state environmental officials had not tested the sinkhole for radioactivity."

Friday evening, the day the sinkhole developed and released a foul diesel odor was the first time DNR officials made public information indicating that the cavern may have failed and caused the sinkhole, a “slurry area.” Tuesday night, DNR and Texas Brine officials explained that the cavern appeared closer to Napoleonville Dome’s edge than thought when the cavern was issued a state permit 1982, and that the cavern wall might have been breached. That failure could allow a connection between the cavern’s brine contents and sediments around the dome.

Ball said DNR officials focused on locating a source of the natural gas large enough to send gas bubbling up in the bayous and they focused on area natural gas pipelines and two salt caverns known to be storing natural gas under pressure.

a non-profit organization that estimates it has cleared nearly 1,000,000 pounds of plastic debris from Alaskan coasts over the past 10 years, is reporting “tons” of what it believes is likely tsunami debris washing up on the coasts of the Kayak and Montague islands. Chris Pallister, president of Gulf of Alaska Keeper, told Alaska’s KTUU TV that ““It’s a staggering mess [...] the magnitude of this is just hard to comprehend and I’ve been looking at this stuff a long time.

In my opinion, this is the single greatest environmental pollution event that has ever hit the west coast of North America. The slow-motion aspects of it have fooled an unwitting public. It far exceeds the Santa Barbara or Exxon Valdez oil spills in gross tonnage and also geographic scope. (I was in Prince William Sound during the during the Exxon Valdez oil spill and so have a sense of comparison). Tens of thousands of miles of coastline from California to the Aleutian Islands are going to be hit with billions of pounds of toxic debris. NOAA’s latest estimate is that 1.5 million tons of largely plastic debris will hit the western United States coast. That is 30 billion pounds. We expect Alaska to get the largest percentage of that with much of it lodging on northern Gulf of Alaska beaches. Most of this will be plastic which is full of inherent toxic chemicals that will leach into the environment for generations.

Possibly worse are the millions of containers full of anything from household chemicals to toxic industrial chemicals that are floating our way. They will eventually burst upon our shores…in sensitive inter-tidal spawning and rearing habitat, endangering shorebirds, marine mammals, fish and everything in between. We are already finding empty and partially full containers of tsunami related chemicals and fuel drums along the northern Gulf of Alaska shoreline. The heavier fuller containers will come later because the wind doesn’t push them as fast toward the Gulf of Alaska as they are more current driven. The light-weight, high-windage debris such as Styrofoam, buoys, bottles, empty containers and drums have already arrived in staggering quantities

"And what we want do," says John Sauven, who is executive director of Greenpeace UK, "is say that this area, which is currently not national territory, this area of sea ice around the North Pole, should be a 'global commons', collectively owned by humanity under the auspices of the United Nations.

So now Greenpeace, Mr Sauven says, is planning a global campaign to make the North Pole off-limits. Internalionalised. No development. No oil drilling. No territorial claims

It has done so by its own form of protest, by being present (often at considerable personal risk) at the sharp end of all these situations, and making the world aware: it is the idea of "bearing witness", from the Quaker background of some its founders.