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As part of our campaign to clean up sources of toxic mercury pollution, we experimented with Google Earth to tell the story of how pollution from cement kilns is hurting local communities. Below is a video we produced that features two cement kilns right along the water in Seattle, WA.

Let's get a quick show of hands: How many of you have lost hours at work living out your flying fantasy in Google Earth? Well, me too.

We've told you about the dangers of eating mercury-contaminated fish. Today, the US Geological Survey released a comprehensive study linking the mercury emissions from smokestacks here in the US and abroad, and the contamination of fish like tuna and other marine life in the Pacific Ocean. According to the NY Times and Greenwire:

The study documents the formation in the North Pacific of methylmercury, a highly toxic form of mercury that rapidly accumulates in the food chain to levels that can cause serious health concerns for people who consume seafood. Scientists have known for some time that mercury deposited from the atmosphere can be transformed into methylmercury, but the study focuses on how that transformation occurs.

USGS showed that methylmercury is produced in mid-depth ocean waters by processes linked to "ocean rain." Algae, which are produced in sunlit waters near the surface, die quickly and rain downward to greater water depths. The settling algae are decomposed by bacteria and the interaction of this decomposition process in the presence of mercury results in the formation of methylmercury.

Many steps up the food chain later, predators like tuna receive methylmercury from the fish they consume, the study shows.

EPA Administrator Lisa Jackson said, "This study gives us a better understanding of how dangerous levels of mercury move into our air, our water, and the food we eat, and shines new light on a major health threat to Americans and people all across the world."

Just last week, the EPA proposed significant cuts in cement kiln mercury emissions (up to 16,000 pounds a year), and we’re hopeful they will continue this leadership when they work to cut mercury from coal-fired power plants sometime in the future.

Mercury is a neurotoxin especially dangerous to young and unborn children, and women of childbearing age are often warned to limit their consumption of contaminated fish (like tuna, shark, walleye, or wild striped bass).

Grins are breaking out in Colorado because of a court decision this week that stymies oil and gas drilling on New Mexico's Otero Mesa grasslands.

The 10th Circuit Court ruled that drilling could not proceed on the Mesa because the Bureau of Land Management violated the National Environmental Protection Act with its leasing plan. In short, the court said, the plan failed to consider impacts on habitat, species and water, and didn't look at alternatives.

Rocket fuel in powdered infant formula? Sounds like a parent's nightmare, but it's true.

In a study published last month, the Center for Disease Control reported finding perchlorate contamination in all 15 of the formulas it studied. The military's fuel of choice for rockets and other explosive ordnance since the 1940s, perchlorate is a thyroid toxin that causes neurological defects in fetuses and infants.

The first Earth Day, 39 years ago today, was a godsend for a country mired in war and riven by racial, political and cultural issues. Arriving suddenly—as a gift whose time had come—it offered folks something to unite around: the idea of an entire planet, our home, in peril.

One of the many dirty little secrets about oil shale is that it will take huge amounts of energy to turn rock into a product we can put in our cars and trucks.  That's because the currently proposed technology for producing oil shale involves using what amounts to glorified curling irons underground, heating them up to hundreds of degrees and melting the "kerogen" into something that can be sucked out of the ground and could be refined into a useable product.

Salmon in the Sacramento River, which produces most of the king salmon caught in California and Oregon, are struggling. As a result, for the second time in two years, the Pacific Fishery Management Council voted to ban almost all ocean salmon fishing off California in 2009.

There's good news: Major portions of the Sacramento River are still undammed and can produce salmon once again.

The blaring headline to the San Francisco Chronicle April 3 was all about our continuing drought and upcoming water rationing. This is not exactly news -- we've been warned for months.

What I wrestle with is how to spread the hardship fairly. The remedy the utility company will impose is across-the-board reductions of 15 percent or more. No hosing down your driveway. No washing your car more than so often.

But what about us noble citizens who already conserve like crazy?

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unEARTHED is a forum for the voices and stories of the people behind Earthjustice's work. The views and opinions expressed in this blog do not necessarily represent the opinion or position of Earthjustice or its board, clients, or funders. Learn more about Earthjustice.