Tag Archives: west

Which Way Should Solar Panels Point?

Solar panels are becoming more affordable and therefore more popular for homeowners. Photo: morgueFile/Seemann

For years, experts have believed that south-facing solar panels are most effective in gathering sun in the northern hemisphere. But a new study based on homes in Austin, Texas, has raised questions about which way our solar panels need to be facing.

The Pecan Street Research Institute released results of a study that indicated homeowners could find significant benefits by pointing their solar panels to the west. The study concluded that the west-facing panels were better at reducing peak loads in areas such as Austin, where air-conditioning use is a strong driving factor in energy use during peak times, typically 3 p.m. to 7 p.m.

The study showed south-facing panels provided a 54 percent peak-reduction in usage, while the panels facing west produced a more impressive 65 percent reduction.

But that doesn’t mean it’s time to tear down those south-oriented solar panels and put them on west-facing roofs just yet. While the study results immediately led to reports that homeowners could get greater results by pointing their solar panels to the west, there was more to the story than many reported.

While the study found that west-facing configurations did have their benefits, they produced less total energy over the course of the year than their south-facing counterparts. The value, it appears, is that they are able to help reduce the electricity load during peak times, which of course puts less stress on electricity distribution systems. That means the power they produce may be more valuable, particularly in hot climates where air-conditioning use can cause problems such as rolling blackouts during peak hours.

The new study raises the question of whether using west-facing solar panels may help offset some of the power usage during peak hours and provide some relief for the energy grid. More research is planned that will include broadening the region being studied and examining how the pitch of the roof affects solar collection.

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Which Way Should Solar Panels Point?

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The Obamacare Website Wasn’t an Epic Disaster. It Just Didn’t Have Enough Time.

Mother Jones

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The New York Times reports today that heads are likely to roll over the Obamacare website fiasco:

For weeks, the president and his aides have said they are not interested in conducting a witch hunt in the middle of the effort to rescue the website. But in the West Wing, the desire for an explanation about how an administration that prides itself on competence bungled so badly remains an urgent mission.

“I assure you that I’ve been asking a lot of questions about that,” Mr. Obama said in a news conference last month, in comments that reverberated across the administration. The president warned, “There is going to be a lot of evaluation of how we got to this point.”

Unfortunately, there’s a problem with this: it might involve Obama having to take a good, long look in the mirror. At this point, it seems clear that development of the website wasn’t, in fact, some kind of comprehensive and unmitigated disaster. Quite the contrary. The basic design and architecture of the site seem to be fine. It’s now working fairly well, and all it took to get to this point was a couple of additional months of garden variety coding, testing, and bug fixing. If the developers had gotten that additional two or three months up front, they probably would have rolled out a pretty serviceable site on time.

And why was the development was so rushed? Lots of reasons, I’m sure, but reporting from multiple sources suggests that one of the big ones points straight back to the White House: Obama and his aides delayed issuing some of ACA’s final rules and specifications during the 2012 election season because they were afraid of Republican blowback. As a result, contractors didn’t start coding the site until early 2013, leaving only eight or nine months to complete the job. If that work had started even a few months earlier, it’s pretty clear that the site would have been at least tolerably usable by the October 1 rollout deadline.

I don’t doubt that a thorough audit will find fault in plenty of other places. Audits always do. And maybe there are people who screwed up badly enough that they deserve to be fired over it. But if politics played a role in this, some of those people might turn out to have pretty lofty job titles.

Excerpt from – 

The Obamacare Website Wasn’t an Epic Disaster. It Just Didn’t Have Enough Time.

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Gulf fisherman: “There is no life out there”

Gulf fisherman: “There is no life out there”

jshyun

There are many ways of preparing oysters. BP has the recipe for destroying them.

If it’s true that oysters are aphrodisiacs, then BP has killed the mood.

Louisiana’s oyster season opened last week, but thanks to the mess that still lingers after the 2010 Deepwater Horizon disaster, there aren’t many oysters around.

“We can’t find any production out there yet,” Brad Robin, a commercial fisherman and Louisiana Oyster Task Force member, told Al Jazeera. “There is no life out there.” Many of Louisiana’s oyster harvest areas are “dead or mostly dead,” he says.

In Mississippi, fishing boats that used to catch 30 sacks of oysters a day are returning to docks in the evenings with fewer than half a dozen sacks aboard.

It’s not just oysters. The entire fishing industry is being hit, with catches down and shrimp and shellfish being discovered with disgusting deformities. One seafood business owner told Al Jazeera that his revenue was down 85 percent compared with the period before the spill. From the article:

“I’ve seen a lot of change since the spill,” [Hernando Beach Seafood co-owner Kathy] Birren told Al Jazeera. “Our stone crab harvest has dropped off and not come back; the numbers are way lower. Typically you’ll see some good crabbing somewhere along the west coast of Florida, but this last year we’ve had problems everywhere.”

Birren said the problems are not just with the crabs. “We’ve also had our grouper fishing down since the spill,” she added. “We’ve seen fish with tar balls in their stomachs from as far down as the Florida Keys. We had a grouper with tar balls in its stomach last month. Overall, everything is down.”

According to Birren, many fishermen in her area are giving up. “People are dropping out of the fishing business, and selling out cheap because they have to. I’m in west-central Florida, but fishermen all the way down to Key West are struggling to make it. I look at my son’s future, as he’s just getting into the business, and we’re worried.”

Ecosystem recovery is a slow process. Ed Cake, an oceanographer and marine biologist, points out that oysters still have not returned to some of the areas affected by a 1979 oil well blowout in the Gulf.  He thinks recovery from the BP disaster will take decades.


Source
Gulf ecosystem in crisis after BP spill, Al Jazeera

John Upton is a science fan and green news boffin who tweets, posts articles to Facebook, and blogs about ecology. He welcomes reader questions, tips, and incoherent rants: johnupton@gmail.com.

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Gulf fisherman: “There is no life out there”

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U.N. lists air pollution as carcinogen

U.N. lists air pollution as carcinogen

Shutterstock

If you want to avoid lung cancer, the United Nation’s cancer-research body has some advice for you: Don’t breathe.

The International Agency for Research on Cancer on Thursday added air pollution, and the particulate matter that it contains, to its list of carcinogens.

The airborne poisons were classified as “Group 1″ carcinogens, meaning there is “sufficient evidence” that they cause cancer in humans. They are mostly produced through the burning of fossil fuels in vehicles, power plants, and stoves.

And it’s not just lung cancer that can be triggered by air pollution. In a statement [PDF], the agency noted “a positive association” between polluted air and bladder cancer.

“Our task was to evaluate the air everyone breathes rather than focus on specific air pollutants,” agency official Dana Loomis told Reuters. “The results from the reviewed studies point in the same direction: the risk of developing lung cancer is significantly increased in people exposed to air pollution.”

The decision follows findings that air pollution killed 3.2 million people in 2010, including 233,000 cancer-related deaths. Most of the deaths occurred in India, China, and other developing countries with large populations. The Clean Air Act helped dramatically clean up the air that Americans breathe, but anybody who has visited Los Angeles or California’s Central Valley knows that problems persist in the West.

Air pollution and particulate matter now join a list [PDF], nicknamed the encyclopedia of carcinogens, that also contains such nasties as asbestos, plutonium, hepatitis, and tobacco smoke. Oh, and sun rays, estrogen therapy, Chinese-style salted fish, and booze.


Source
Outdoor air pollution a leading environmental cause of cancer deaths, IARC
UN agency calls outdoor air pollution leading cause of cancer, Reuters

John Upton is a science fan and green news boffin who tweets, posts articles to Facebook, and blogs about ecology. He welcomes reader questions, tips, and incoherent rants: johnupton@gmail.com.

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U.N. lists air pollution as carcinogen

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West Bend 68305T Iced Tea Maker, Green/White

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West Bend 84905 5-Quart Oblong-Shaped Slow Cooker

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West Bend 68305T Iced Tea Maker, Green/White

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West Bend 84905 5-Quart Oblong-Shaped Slow Cooker

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ExxonMobil subsidiary, with arm twisted behind back, agrees to treat fracking wastewater

ExxonMobil subsidiary, with arm twisted behind back, agrees to treat fracking wastewater

eutrophication&hypoxia

XTO’s fracking waste made its way into a tributary of the Susquehanna River.

XTO Energy, an ExxonMobil subsidiary, will reluctantly shell out $20 million to properly treat and dispose of fracking wastewater in Pennsylvania and West Virginia. It will also pay a $100,000 EPA fine as part of a settlement agreement [PDF] over water-pollution charges [PDF].

From PennLive:

The company is accused of violating the Clean Water Act by releasing over approximately 65 days between 6,300 and 57,373 gallons of fluids that contained barium, calcium, iron, manganese, potassium, sodium, strontium, bromide, chloride and total dissolved solids.

A DEP inspector discovered a valve open on one of 57 tanks and its contents flowing on the ground. The fluids got into a subsurface spring and a tributary of the West Branch of the Susquehanna River.

Each of the tanks had a capacity of 21,000 gallons and the one with the valve open was connected with five others, EPA says.

ExxonMobil last year narrowly missed beating its own record for the highest annual profit of any company in history, so we’re guessing it could help out subsidiary XTO with a little cash if need be.

John Upton is a science fan and green news boffin who tweets, posts articles to Facebook, and blogs about ecology. He welcomes reader questions, tips, and incoherent rants: johnupton@gmail.com.

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ExxonMobil subsidiary, with arm twisted behind back, agrees to treat fracking wastewater

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Water in the West: The Scary Truth about our most Precious Resource

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