Mining the Minerals That Power Your Gadgets

  • Molycorp's rare-earth mining pit in Mountain Pass, California. (Photo by Shawn Allee)

Politicians like to show off pictures of wind turbines, hybrid cars, and other green hi-tech.
The idea is to get more of that in America, and maybe even make more of it here. Shawn
Allee found there’s a chance all of this could be complicated by the supply of key green-
tech ingredients:

Transcript

Politicians like to show off pictures of wind turbines, hybrid cars, and other green hi-tech.
The idea is to get more of that in America, and maybe even make more of it here. Shawn
Allee found there’s a chance all of this could be complicated by the supply of key green-
tech ingredients:

I don’t know about you, but there’re a whole bunch of minerals I completely ignored in
high school chemistry.

Jack Lifton knows them by heart.

“… lanthenum, serium, neodymium…”

Lifton’s a market expert on these so-called ‘rare-earth’ minerals. And he says, even if you
haven’t heard of them, you might have them – even in your pocket.

“Without rare earths, we probably would not have portable computers and you
certainly wouldn’t have display screens today on anything – television or computer,
iPod, or iPhone, whatever.”

Rare earths make electronics light and they don’t need much power: just what wind
turbines and electric hybrid cars need.

There’s a problem in the rare-earth market, though. China’s the big supplier, but Lifton
says it might keep it’s rare-earth supplies for itself.

“In the next three or four years, you cannot make a device with a rare earth unless
it’s made in China and then the Chinese have made it very clear that their priorities
are to manufacture goods for their own consumer economy and keep the Chinese
employed.”

So, is the US gonna be left dry when it comes to green high tech? Well, there is a rare
earth mine in America, but it’s had some environmental problems.

The mine is trying to turn that around now.

Honan: “On the left is the overburden stock pile. Once you’ve seen one of those,
you’ve seen them all.”

Allee: “Big pile of rocks.”

Honan: “Big pile of rock.”

Mine manager Scott Honan’s driving me around the top of a mine in the middle of the
California desert.

He manages the mine for Molycorp. Honan’s showing me the mine’s waste water
ponds.

Honan: “Those two are fresh water.”

Allee: “Basically, you’re trying to recycle as much of this water as you can. Why is
that?”

Honan: “We have to confine all of our water activities on the site. We have to be
very efficient when we use water, we can’t afford to waste it.”

Gotta admit, this is not very sexy stuff, but Molycorp is crossing its fingers that
expensive water recycling and treatment investments pay off.

Molycorp uses water to process the rare-earth ore, and back in the 90s, the mining and
processing stopped for a while due to waste water leaks.

It’s desert, after all – and regulators didn’t want what little water there is contaminated by
a slurry of salts and mining byproducts.

Allee: “So where’re we heading, here?”

Honan: “The pit.”

Allee: “Is that what everyone calls it? ‘The Pit?’”

Honan: “Yeah. It’s about 55 acres if you look at the perimeter. From the top of the
high wall over there to the bottom, it’s about 500 feet.”

Honan says Molycorp will expand the mine in a few years – just in time for when China
might stop exporting rare-earths.

The company might be jumping a tad – regulators might clamp down on the operation if
Molycorp repeats some of its past water pollution mistakes.

Still…

“I think a lot of us at the mine have a big stake in the success of this operation going
forward. A lot of us feel it’s important for our country. What we produce here is
going to drive a lot of this energy efficient technology that people are anxious about.
It’s cool to be a part of that.”

And for Honan, what’s even cooler is that someone’s talking about building a wind farm
not too far from his mine.

Honan says it’d be awefully nice if his rare-earths are in those turbines.

For The Environment Report, I’m Shawn Allee.

Related Links

Study Finds Food Less Nutritious

  • Vegetables are a great way to get vitamins and minerals. But studies show techniques for faster-growing and bigger vegetables could be producing plants that actually have less of these health benefits. (photo by Justin Richards)

Vegetables are less nutritious than they were 50 years ago. That’s according to a new study that tested 43 different garden crops. The Great Lakes Radio Consortium’s Chris Lehman reports:

Transcript

Vegetables are less nutritious than they were 50 years ago. That’s the finding of a new study that tested 43 different garden crops. The Great Lakes Radio Consortium’s Chris Lehman reports:


Researchers analyzed U.S. Department of Agriculture nutrition data from the past 50 years. They found that levels of several vitamins and minerals decreased by as much as 38% in garden crops over the time period. Don Davis is the lead author of the study. He’s with the University of Texas Biochemical Institute. He says the decline could be the result of decades of breeding plants to produce more and bigger vegetables.


“There’s emerging evidence that when you genetically select for higher yields, you get a plant that grows bigger and faster but it isn’t necessarily able to produce nutrients or uptake minerals from the soil at the same faster rate.”


Davis says despite the fact that vegetables have fewer nutrients in them, he says they’re still the most efficient way to get vitamins and minerals into your system.


For the Great Lakes Radio Consortium, I’m Chris Lehman.

Related Links

Study: Acid Rain Depletes Soil Nutrients

Acid rain isn’t a new threat to the environment. But its effect on trees and soils has been a point of debate. Now, a new study supports the theory that acid rain can deplete nutrients in forest soil. The Great Lakes Radio Consortium’s Corbin Sullivan has more:

Transcript

Acid rain isn’t a new threat to the environment. But its effect on trees and soils has
been a point of debate. Now, a new study supports the theory that acid rain can
deplete nutrients in forest soil. The Great Lakes Radio Consortium’s Corbin Sullivan
has more:


Acid rain is caused by emissions mostly from coal-fired power plants. It’s linked to “dead”
lakes and streams that have become too acidic for fish and other organisms.


But a new study published in the Soil Science Society of America Journal says the
addition of even a small amount of acid to forest soils can deplete minerals needed for
plant and animal survival.


Ivan Fernandez is the lead author of the study. He says the study showed the loss of
several nutrients, but he’s most concerned with calcium loss.


“Calcium both reduces the toxicity of bad things as well as being a required essential nutrient.
If you lose too much calcium, you can have direct nutrient deficiencies.”


Fernandez says when minerals like calcium and magnesium are lost the result is
slower plant growth. He also says the loss of these minerals can lead to poor water quality.


For the Great Lakes Radio Consortium, I’m Corbin Sullivan.

State to Regulate Dishwashing Detergent?

The state legislature in Minnesota is looking at a bill that would restrict phosphorus levels in automatic-dishwashing detergents. Supporters say it would reduce harmful algae blooms in lakes and streams. If the bill passes, it would be the first state to make such restrictions. The Great Lakes Radio Consortium’s Christina Shockley reports:

Transcript

The state legislature in Minnesota is looking at a bill that would restrict phosphorus levels in
automatic-dishwashing detergents. Supporters say it would reduce harmful algae blooms in lakes
and streams. If the bill passes, it would be the first state to make such restrictions. The Great
Lakes Radio Consortium’s Christina Shockley reports:


Phosphorus in detergents helps to clean dishes, but when the mineral ends up in lakes and
streams, it promotes algae blooms. Large algae blooms can kill fish and restrict sunlight to
bottom-rooting plants. In the 1970s, phosphorus was restricted in other types of detergents.
David Mulla is a professor in the soil, water, and climate department at the University of
Minnesota. He says that legislation did make a difference.


“We had a very large reduction in the amount of phosphorus that was being emitted to our waste
water treatment plants as a result.”


However, Mulla says dishwashing detergents are not one of the primary sources of phosphorus in
lakes and streams today. Detergent manufacturers say if they don’t use phosphorus, their
detergents might not meet some health standards. They also say a reduction won’t have any
environmental benefits. The bill is currently being discussed in the state legislature.


For the Great Lakes Radio Consortium, I’m Christina Shockley.

Battery-Powering Bacteria

U.S. scientists have identified bacteria that can eat pollution and generate electricity at the same time. The Great Lakes Radio Consortium’s Lester Graham reports:

Herbal Remedies Moving Mainstream

There are thousands of herbal products on the market today.
They generate over 4 billion dollars in sales a year. And many doctors
are taking more notice. Some physicians see a need for more credible
research on herbs and minerals. And they want other doctors to
communicate more with patients that are considering using these
products. Now one doctor has designed some guidelines on herbal
treatments. He hopes this will initiate more discussion and research
about these dietary supplements. The Great Lakes Radio Consortium’s
Todd Witter has more.