Dirty air, not eating all those chips, may cause obesity, so munch on! (Photo courtesy of loop_oh)

Forget Fritos: Air pollution may be making people fat
Sure, it’s got nothing on the much-hyped “Paleo Diet,” but a new theory that air pollution may be making us fat could provide one more bullet in the never-ending arsenal of dieting ticks and trips that people can use to lose weight. According to Discovery News, just as the oceans are becoming more acidic as they sequester more carbon dioxide, studies show that our blood becomes more acidic when we breathe in CO2-laden air, even just for a few weeks. But though higher acidity in the ocean means weaker coral reefs and shell-covered creatures, a drop in pH in our brains acts much differently by making appetite-related neurons fire more frequently, which could result in us eating more, sleeping less and, eventually, gaining more weight. Though the theory hasn’t yet been heavily tested, previous studies have shown that the issue of obesity goes far beyond cutting calories and exercising more. And, even if the theory doesn’t pan out, clean air is definitely tied to a whole host of other great health benefits, like not dying early, so take a deep breath!

History shows that “drill, baby, drill” mentality doesn’t lower gas prices
The commonly held notion that more domestic drilling leads to lower U.S. gas prices is completely false, reports the Associated Press, which came to the conclusion after analyzing more than three decades’ of monthly, inflation-adjusted gasoline prices and U.S. domestic oil production. Though both political parties are guilty of using the "drill, baby, drill" mentality to link higher gas prices to an "unfriendly" domestic drilling policy, the facts tell an entirely different tale. For example, since February 2009 we’ve increased oil production by 15 percent (yes, during the Obama presidency, which is supposedly extremely unfriendly to domestic energy production), yet between 2009 and 2012 prices at the pump spiked by more than a dollar during that time. The reason, much to Americans’ dismay, is that since oil is a global commodity, neither the U.S. nor our president has much say in determining the price of gasoline. We do, however, have a say in how much gas we use, which means that the only real way to decrease the amount that we pay at the pump is to, simply, use less gas by driving more gas-efficient cars and taking public transit, to name just a few examples.

A uranium mine near the Grand Canyon's North Rim. Photo: Don Bills, USGS.

At the beginning of the last century, Ralph H. Cameron was a booster of the Grand Canyon. He wanted to promote – and cash in on - the Canyon as a tourist destination. He helped expand Bright Angel Trail, now one of the most popular trails into the Canyon from the South Rim.  But at a price; he charged a toll to visitors.

Is your baby getting its daily dose of hormone-disrupting chemicals? (photo courtesy of pfly)

Low chemical doses may have big health effects
A recent finding that tiny doses of certain hormone-altering chemicals can lead to harmful health effects could lead to a paradigm shift in the way that regulators evaluate a chemical’s harmfulness, reports Environmental Health News. Traditionally, toxicologists and regulators have evaluated the toxicity of a chemical by following the common adage, “The dose makes the poison,” which means that some chemicals can be harmful at high doses but perfectly fine at lower doses. However, this latest research has flipped that theory on its head by finding that some chemicals, especially those with hormonal properties like bisphenol A (BPA), can actually have a more harmful effect on people at low, rather than high, doses. Considering that BPA is found in everything from baby bottles to soup cans, the new study has implications not only for scientists and regulators, but for the people who are exposed to these chemicals on a daily basis.

Arctic oil spill cleanup methods go to the dogs
Norwegian researchers are experimenting with using dogs to sniff out oil spills in the harsh Arctic environment, reports the UK Guardian. So far the super-sniffing dogs, a dachshund and two border colliers, have been able to detect the scent of oil up to three miles downwind of a spill. Though impressive, the oil sniffing dogs experiment has largely been derided as a last ditch option for cleaning up oil in an area where “we do not have adequate science and technology…particularly in ice,” said Marilyn Heiman, a director of PEW’s US Arctic Program. Though Shell doesn’t plan to deploy oil-sniffing dogs to the Arctic anytime soon, its existing “plan” to clean up an oil spill in the Arctic if one were to occur is scarily inadequate and is based on very unrealistic assumptions, says Earthjustice attorney Erik Grafe, who added, “The fact is, there simply is no way to adequately respond to an oil spill in the Beaufort Sea—it is too remote, icy, stormy, dark, and foggy. Shell’s plan needs to acknowledge the difficulties of the region, not assume them away.” 

Tennessee mountains -- Image courtesy of EarthFirst

A bipartisan bill is coming up for a vote in the Tennessee state legislature tomorrow (Feb. 29) that would ban surface mining and mountaintop removal mining at altitudes above 2,000 feet in the state.

This legislation would ensure that the most scenic vistas are protected for residents and visitors instead of being razed.

The Tennessee Senate’s Energy and Environment Committee will vote on the bill, determining whether it makes its way to the whole state’s senate for full floor vote.If it passes, this will be the first and only mountaintop removal mining ban in any state in the U.S., setting a precedent for other Appalachian states and citizens who are coping with this abominable type of coal mining.