Canada and Greenhouse Gases – Epic Fail

Byoliveridley

Canada’s greenhouse emissions soaring: UN report

The figures are based on the 2009 national inventory report that Environment Canada quietly filed last week with the United Nations to meet its international reporting obligations. The full 673-page inventory is available on the UN’s website and shows Canada has the dubious distinction of having its emissions climb more since 1990 than any other G8 nation.

Canada ranks “first among the G8 nations” for increasing emissions, the report notes, even though Canada had committed to cut them. It notes that while Canada’s emissions have soared, Germany chopped its emissions by 18 per cent between 1990 and 2006, and the United Kingdom slashed its by 15 per cent.

Hey, we’re first in the G8 in something! The increase was driven primarily by increasing Tar Sands emissions thanks to the oil boom. Cars and coal also contributed.

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    Small California Study Finds Correlational Link Between Organochlorine Pesticides and Autism

    Byoliveridley

    That would have been my headline! It was a study of 29 women, and the results show a six-fold increase in the incidence of autism in children whose mothers were close to fields being sprayed with organochlorine pesticides. A factor of 6 is a big number, which is why they found statistical significance at such a low sample size.

    Most organochlorine pesticides (the most famous being DDT) are already banned in the first world. The ones suspected here, endosulfan and dicofol are banned in quite a few countries including Belize, Singapore. Cambodia and Germany. The Stockholm convention (international treaty to identify and restrict the use of persistent organic pollutants) has identified endosulfan as a possible addition to its list of POPs.

    Of course, the US has not even ratified the Stockholm convention thanks to the pesticide lobbies. So, nothing the Stockholm convention decides about endosulfan will  carry any legal weight. In this country, pesticides and most other chemicals in current use are “innocent until proven guilty”, meaning harm must be conclusively proven in a manner that will withstand court challenge. With industry sponsored research and lobbying, such a burden of proof is often insurmountable and therefore, hazardous pollutants are used in the US well beyond their sell-by dates.

    Pesticide link to autism suspected – Los Angeles Times

    Women who live near California farm fields sprayed with organochlorine pesticides may be more likely to give birth to children with autism, according to a study by state health officials to be published today. The rate of autism among the children of 29 women who lived near the fields was extremely high, suggesting that exposure to the insecticides in the womb might have played a role. The study is the first to report a link between pesticides and the neurological disorder, which affects one in every 150 children. But the state scientists cautioned that their finding is highly preliminary because of the small number of women and children involved and lack of evidence from other studies.

    Clearly, the increase in autism incidence has many more factors linked to it than environmental chemical exposure, but this is interesting and good work. This study will doubtless be severely criticized by the pesticide lobby. After all, it’s only a correlation, no mechanism has been proposed, and the sample size is very small. But, as I mentioned before, you don’t normally see six-fold increases in disease incidences with ambient environmental exposure, so there is definitely something going on here.

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    Bisphenol A – Getting More Powerful Everyday

    Byoliveridley

    So is it Mondays with Bisphenol?? You know what, the scary thing about this chemical is that its acute (short term, immediate) toxicity at high doses, which is the only safety testing that is ever done, does not correlate with all the subtle effects that are seen at low doses (chronic). Here’s another study where ambient level exposure to bisphenol A interferes with prostate cancer treatment by making the tumor cells androgen independent, so the standard testosterone deprivation therapy will not work any more.

    Environmental Health News: New Science

    A common plastic molecule to which virtually all Americans are exposed may interfere with the standard medical treatment for prostate cancer, according to new experiments with human prostate tumors implanted into mice. The doses of the plastic molecule, bisphenol A, were chosen specifically to be within the range of common human exposures. Tumor size and PSA levels were significantly greater in exposed animals just one month after treatment.

    One of the principal known sources of exposure to bisphenol A in the U.S. is through its use to make a resin that lines the majority of food cans sold in markets. These new results by Wetherill et al. suggest men concerned about prostate cancer may want to reduce their consumption of canned goods and their use of polycarbonate water bottles, another common source of exposure

    This is one powerful (if not actually more dangerous) chemical. it is so ubiquitous that finding a substitute is not going to be easy.

  • Acrolein Main Cigarette Culprit?

    Byoliveridley

    Chemical & Engineering News: Latest News – Cigarettes’ Smoking Gun?

    Acrolein, one of the 4,000 constituents of cigarette smoke, has been found unexpectedly to cause DNA damage in the gene for the infamous tumor-suppressor p53, which is often disrupted by cancer. In particular, the pattern of DNA mutations caused by acrolein mimics what is often found in human lung cancer samples (Proc. Natl. Acad. Sci. USA, DOI: 10.1073/pnas.0607031103).

    “If cigarette smoke is the weapon that causes lung cancer, then these mutations are fingerprints on the knife,” says author Moon-shong Tang of New York University School of Medicine, in Tuxedo. Tang was also involved in identifying another cigarette-smoke component that can induce such mutations: a metabolite of a polycyclic hydrocarbon called benzo[a]pyrene. Acrolein is present in cigarette smoke in levels of up to 1,000 times greater than benzo[a]pyrene.

    So, if you remove acrolein from tobacco smoke, does that make for a much safer smoking experience? Is this a research question worth answering? FYI, I watched Thank You for Smoking last night, so, fresh on my mind!

  • EPA scales back rules on wetlands

    Byoliveridley

    Where for the n’th time, you get to use “EPA”, and “scales back rules” in one sentence.

    E.P.A. Scaled Back Rules on Wetlands – New York Times

    After a concerted lobbying effort by property developers, mine owners and farm groups, the Bush administration scaled back proposed guidelines for enforcing a key Supreme Court ruling governing protected wetlands and streams. The administration last fall prepared broad new rules for interpreting the decision, handed down by a divided Supreme Court in June 2006, that could have brought thousands of small streams and wetlands under the protection of the Clean Water Act of 1972. The draft guidelines, for example, would allow the government to protect marsh lands and temporary ponds that form during heavy rains if they could potentially affect water quality in a nearby navigable waterway. But just before the new guidelines were to be issued last September, they were pulled back in the face of objections from lobbyists and lawyers for groups concerned that the rules could lead to federal protection of isolated and insignificant swamps, potholes and ditches.

    This is the consequence of a tortured Supreme Court ruling from June of last year where Justice Kennedy could not make up his mind on what was a wetland and what was not, so he helped hand down a very confusing verdict open to all kinds of interpretation. At that time, here’s what I said…

    This will make things confusing for a while, and you all know who confusion favors!

    Well, I told ya!

  • Coal-to-Liquid: Useless

    Byoliveridley

    Liquid transportation fuels derived from coal and natural gas could help the United States reduce its dependence on petroleum. The fuels could be produced domestically or imported from fossil fuel-rich countries. The goal of this paper is to determine the life-cycle GHG emissions of coal- and natural gas-based Fischer−Tropsch (FT) liquids, as well as to compare production costs. The results show that the use of coal- or natural gas-based FT liquids will likely lead to significant increases in greenhouse gas (GHG) emissions compared to petroleum-based fuels. In a best-case scenario, coal- or natural gas-based FT-liquids have emissions only comparable to petroleum-based fuels. In addition, the economic advantages of gas-to-liquid (GTL) fuels are not obvious: there is a narrow range of petroleum and natural gas prices at which GTL fuels would be competitive with petroleum-based fuels. CTL fuels are generally cheaper than petroleum-based fuels. However, recent reports suggest there is uncertainty about the availability of economically viable coal resources in the United States. If the U.S. has a goal of increasing its energy security, and at the same time significantly reducing its GHG emissions, neither CTL nor GTL consumption seem a reasonable path to follow.

    Comparative Analysis of the Production Costs and Life-Cycle GHG Emissions of FT Liquid Fuels from Coal and Natural Gas.

    To summarize, no cost benefits, increased GHG emissions, a lot of uncertainty, let’s not follow this madness of trying to make coal into gasoline.

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    The NY TImes on India’s Water Issues

    Byoliveridley

    The New York Times starts a three part series on water issues in India.
    In Teeming India, Water Crisis Means Dry Pipes and Foul Sludge – New York Times

    The crisis, decades in the making, has grown as fast as India in recent years. A soaring population, the warp-speed sprawl of cities, and a vast and thirsty farm belt have all put new strains on a feeble, ill-kept public water and sanitation network. The combination has left water all too scarce in some places, contaminated in others and in cursed surfeit for millions who are flooded each year. Today the problems threaten India’s ability to fortify its sagging farms, sustain its economic growth and make its cities healthy and habitable. At stake is not only India’s economic ambition but its very image as the world’s largest democracy.

    This has not changed since I was a kid, we had the exact same problems growing up, and it is not likely to get any better real soon. Depressing to read first thing in the morning.