Pet Pythons on the Loose in Florida

  • JD Willson holding a juvenile python. (Photo by Samara Freemark)

Foreign animals that get released
in the wild usually don’t spark that
much interest. But when that species
is a giant snake, well, most people
sit up and take notice. That’s the
problem facing the state of Florida,
where Burmese pythons have moved in
to Everglades National Park. Now,
scientists are trying to figure out
if the snakes could spread to the
rest of the country. Samara Freemark reports:

Transcript

Foreign animals that get released
in the wild usually don’t spark that
much interest. But when that species
is a giant snake, well, most people
sit up and take notice. That’s the
problem facing the state of Florida,
where Burmese pythons have moved in
to Everglades National Park. Now,
scientists are trying to figure out
if the snakes could spread to the
rest of the country. Samara Freemark reports:

Meet South Florida’s newest invasive species – the 20 ft long, 200 lb,
Burmese python.

“They’re impressive animals. They’re really impressive animals. And
they’re breeding
like crazy out there.”

That’s python researcher JD Willson. He says the pythons probably started
off as pets –
until their owners got bored of them and dumped them in the Everglades. Now
those pets
have procreated their way into a huge wild population.

“Certainly thousands. Certainly tens of thousands. Some people have gone
as far as to
say hundreds of thousands.”

Willson says most pythons won’t attack humans. But they do pose a big
threat to local
ecosystems.

“These are snakes that are top predators. They eat alligators, they got a
bobcat record, a
couple of white tail deer. These are a predator that native wildlife are
just not prepared to
deal with. They’re not used to having a giant snake around.”

Florida lawmakers are considering putting a bounty on the pythons – paying
hunters to
kill them. And people in neighboring states just have their fingers crossed
that the
pythons won’t spread north.

But no one really knows enough about the snakes to come up with a good
control plan.

Willson and some other researchers are trying to change that.

“This is the python enclosure.”

They’ve built a little artificial habitat in South Carolina, surrounded
it with a really tall
wall, and filled it with 10 pythons. The researchers want to learn more
about how the
snakes behave in the wild, and see if they can make it through a winter
with freezing
temperatures.

(sound of door opening)

The snakes are tagged with radio transmitters, so the scientists can track
them and record
data on how they’re doing.

Freemark: “It’s safe to be in here?”

Bower: “Oh yeah, they’re not aggressive.”

Inside a student volunteer, Rick Bower, is tracking the snakes with a radio
receiver.

“As you sweep it across, you can see how the signal strength changes and
you get an idea
of where the strongest signal is coming from.”

The receiver tells us we’re basically standing right on top of one of the
pythons.

“Yeah, he’s right at our feet. Yeah, he’s down there.”

But we don’t see anything, even when Willson starts jabbing a stick at
the source of the
beeping.

“Somewhere within an 8 foot radius of where we are, there’s an 11 foot
snake. And he’s
hiding in this aquatic vegetation. And not only can we not see him, but
poking in the
vegetation doesn’t seem to be eliciting too much of a reaction.”

He’s a really sneaky snake.

Whit Gibbons is also working with the crew. He says that if the scientists
have so much
trouble tracking down their pythons, in an enclosed cage, using radio
transmitters –
there’s no way bounty hunters could make even a dent in the Everglades
python
population.

“So they find a hundred, so what. There’s a hundred thousand left. No
one’s going to find
100,000. I mean, we’ve got ‘em in a small enclosure, 10 big snakes,
over 75 feet of snake
if you add them up. And you can’t find them.”

Instead, Gibbons says people could opt for a harm reduction strategy- focus
on limiting
the spread of the snakes, try to protect species they threaten.

“One position is, ‘okay, they’re here, here’s what they can do to
us, or to our pets, or to
the wildlife. Let’s learn to live with them.’”

The South Carolina python study ends next summer. JD Willson says he’s
not sure what
they’ll do with the snakes afterwards. But he does know one thing –
they’re not going to
release them back into the wild.

For The Environment Report, I’m Samara Freemark.

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The EPA and CO2 Regulations

  • This graph, based on the comparison of atmospheric samples contained in ice cores and more recent direct measurements, provides evidence that atmospheric CO2 has increased since the Industrial Revolution. (Graph courtesy of NASA and NOAA)

The Environmental Protection Agency
is trying to figure out how it might
regulate greenhouse gases. Lester
Graham reports language in the
Clean Air Act is not helping:

Transcript

The Environmental Protection Agency
is trying to figure out how it might
regulate greenhouse gases. Lester
Graham reports language in the
Clean Air Act is not helping:

The U.S. Supreme Court ordered the EPA to decide whether greenhouse gases are pollutants. The EPA is making the case that they are.

But setting rules to reduce those emissions is problematic.

The Clean Air Act says it you emit 250-tons a year of a pollutant, you need a pollution permit. 250-tons of CO2 a year is not a lot.

Jeff Holmstead worked in the EPA on air pollution issues during the last Bush Administration. Now, he’s a lawyer with the Washington DC firm Bracewell and Giuliani.

“You know, 250-tons of CO2 according to EPA would include most schools, most apartment buildings, any kind of commercial building. It just isn’t possible to develop permits for all of these sources.”

So the EPA plans to raise the amount to 25,000-tons. But, that’s not what the Clean Air Act says.

That’s one reason why the Obama Administration prefers a climate change law passed by Congress.

For The Environment Report, I’m Lester Graham.

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Close Contact Endangers Dolphins

  • More people are feeding dolphins and getting too close to them in their boats. (Photo courtesy of Mote Marine Laboratory)

Television dolphins like Flipper
and the performing dolphins at
Sea World can trick people into
thinking it’s okay to feed and
swim with wild dolphins. But
Rebecca Williams reports dolphin
researchers say our behavior can
hurt and even kill dolphins:

Transcript

Television dolphins like Flipper
and the performing dolphins at
Sea World can trick people into
thinking it’s okay to feed and
swim with wild dolphins. But
Rebecca Williams reports dolphin
researchers say our behavior can
hurt and even kill dolphins:

(sound of a shorebird crying out)

Fort Myers beach is packed with tourists. I meet a guy named Justin who’s here in Florida from Cleveland. He’s already gotten close to wild dolphins.

“We were out here swimming and dolphins got within a foot of us. It was amazing. I’ve never seen that.”

In this case, he wasn’t doing anything wrong – because the dolphins came up to him. But swimming with wild dolphins can actually be considered harassment if you approach them or touch them.

That’s bad for the dolphins because it can change their behavior. It can disturb their feeding and resting behavior. And it can separate dolphins from their babies.

So it’s illegal to swim with or harass dolphins. You can get fined and even end up with some jail time. And that’s just the beginning of the dolphins’ problems.

Dolphin encounters are getting more common in Florida and Hawaii and a lot of other places. There’ve been more tourists and more boaters in the water… and more commercial operations that promise you’ll get a chance to feed or swim with dolphins.

As cool as it might be for us, it’s actually terrible for dolphins. When people feed them they can get addicted to human handouts.

Cartoon Dolphin PSA: “For me it started with one hit of sardines, oh sardines… that’s where I learned to beg. It was easy to score free fish… with this dolphin smile? Yeah it’s illegal but no one cares…”

That’s a cartoon dolphin in rehab with a bear, a raccoon and a seagull. All those other animals we’ve gotten into some bad habits with.

It’s a message put out by the Mote Marine Laboratory in Sarasota.

(sound of dolphin playing in tank at the Marine Lab)

Randall Wells is the head of dolphin research at the lab. He’s spent almost four decades studying dolphins.

He says, in recent years, there’s been a dramatic increase in the number of dolphins getting into trouble with people. More people feeding them and getting too close to dolphins in their boats.

“And we’ve seen an increase in mortality from these kinds of interactions – from people luring animals in towards boats, in towards fishing gear. Dolphins have begun to take bait from lines getting tackle including hooks and lures in their bodies and killing them or seriously injuring them.”

He says, if you feed a dolphin, it’ll often start begging for food from people. And that dolphin will teach its babies or other dolphins to beg.

Sometimes they’ll even eat things that aren’t food. One dead dolphin had a plastic snake in its stomach.

If dolphins get closer to boats, they can get snared in fishing line. It can slice through their flippers. Once, Randall Wells rescued a dolphin that had a Speedo on its head. And because it couldn’t shake it off, the suit was cutting into the dolphin’s flesh.

Wells and his team have been doing a lot of outreach to stop people from getting too close to dolphins. And he says most of the time, it works.

“But there’s still a half percent of people that, by their own admission, insist on interacting with these animals – feeding them and approaching them in ways that are illegal, just because they can and they’ve never seen the negative consequences of doing that.”

If you want to go on one of those dolphin viewing tours, there are some ways to make sure the tour operator’s not adding to the problem.

Stacey Horstman helps run a program called Dolphin Smart. It certifies dolphin tours as responsible.

Right now there are only four businesses in Key West and one in Alabama that’ve gotten certified. But, she says, if you’re in a place without Dolphin Smart tours, you can still ask questions.

“Just to make sure that feeding is not being promoted in any way, that they’re promoting responsible viewing from a distance.”

That means staying at least 50 yards away from dolphins.

She says any ad that shows people swimming with dolphins or handing them fish is usually a sign of an irresponsible business. So those are ones to stay away from.

Dolphins might look cute and friendly, but Horstman says they are wild animals and they need their space.

For The Environment Report, I’m Rebecca Williams.

Related Links

Abandoned Pet Pythons Invade Everglades

  • Large Burmese pythons are now regularly encountered along trails and visitor areas in the park (Photo courtesy of the National Park Service)

A python native to Asia is popping up in one national park. Kyle Norris reports:

Transcript

A python native to Asia is popping up in one national park. Kyle Norris reports:

The Burmese Python is showing up in Everglades National Park in Florida.

That’s because people who no longer want their pet pythons are releasing them there.

Now these babies are big — usually they between 6 to 12 feet long. And there could be as many as 150,000 pythons in the Everglades.

The snakes are not so much a threat to humans. But they are a threat to animals – especially to endangered ones.

Scott Hardin is an exotic species coordinator. He’s with the Florida Fish & Wildlife Conservation Commission.

“You just got a great big snake, nothing like it, nothing analogous in the native snake fauna in Florida. So it opens up a whole new range of prey that was not susceptible before.”

He says officials are brainstorming ways to deal with the problem.

They’re trying to rig up some really big traps. And they’ve also thrown out the idea of a bounty — basically a cash reward for catching the snakes.

For The Environment Report, I’m Kyle Norris.

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Inside BPA PR Meeting

  • BPA doesn't line just baby products - it is in many canned foods and drinks (Source: Tomomarusan at Wikimedia Commons)

Food-packaging executives and
lobbyists for the makers of the
chemical bisphenol-A, often
called BPA, met in Washington
DC last week to come up with PR
strategies. Their message is:
BPA is safe. Lester Graham reports
someone took notes at that meeting
and then leaked them to reporters:

Transcript

Food-packaging executives and
lobbyists for the makers of the
chemical bisphenol-A, often
called BPA, met in Washington
DC last week to come up with PR
strategies. Their message is:
BPA is safe. Lester Graham reports
someone took notes at that meeting
and then leaked them to reporters:

Lyndsey Layton got ahold of those notes. She reports for the Washington Post.

“According to these notes, they called it the ‘holy grail’ spokesperson would be a pregnant, young mother who would be willing to speak around the country about the benefits of BPA.”

Ironic in that many studies associate BPA with birth defects.

John Rost is the Chairman of the North American Metal Packaging Alliance.

He says the reporters got bad notes. He says it only came up because environmental activists used pregnant women to testify against BPA.

“We discussed that as an option and dismissed it and actually find it a little ironic that we are being criticized.”

Some retailers have taken toys and baby bottles made with BPA off the shelf in response to a consumer backlash.

It’s likely most consumers don’t yet realize the chemical also lines beverage and food cans.

For The Environment Report. I’m Lester Graham.

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FDA and Food Safety: Failing Grade

  • Another scare came a few years ago, when spinach was found to be tainted with E. Coli (Photo courtesy of the USDA)

In the wake of this year’s tainted peanut butter scare, Congress is getting ready to approve changes to the Food and Drug Administration. Lawmakers want to give the American public more confidence in the safety of the food supply system. But some people doubt they will be able to
make real change. Julie Grant reports:

Transcript

In the wake of this year’s tainted peanut butter scare,
Congress is getting ready to approve changes to the Food
and Drug Administration. Lawmakers want to give the
American public more confidence in the safety of the food
supply system. But some people doubt they will be able to
make real change. Julie Grant reports:

Gwen Rosenberg is a mom. She has four boys to feed. So
she’d like to be able to trust that the food supply is safe.

But when Rosenberg heard that 8 people died after eating
peanut products earlier this year, and hundreds more got
sick, it confirmed her beliefs: that the Food and Drug
Administration isn’t making sure food is safe.

“There shouldn’t be stories that come out that reveal that the
peanut plant hasn’t been inspected for years. Or when it
was inspected, there was rat feces. They’re not doing their
job.”

Rosenberg wants the FDA to crack down on food
manufacturers. She says they need inspect more – and shut
down facilities when they find dangerous conditions. She
was appalled when she realized the FDA has no authority to
recall tainted foods.

“The fact that they don’t have recall authority essentially
neuters the FDA. I mean, how are we supposed to take
anything they say or do seriously if they end result is, ‘well,
we can’t force you to do this?’ Well, thanks for the
community service message not to eat the tainted peanut
butter, but you’re not actually making me any safer.”

In the case of the Peanut Corporation of America, a test
found salmonella in its products. It retested. When the test
came out negative, it went ahead and shipped out the
products.

And the FDA had no recall authority. Congressman Bart
Stupak says that’s just wrong. He’s co-sponsoring a food
safety bill that would give the FDA some authority in cases
like this.

“What the FDA can do, shut ‘er down. Prove to me that you
cleaned it up. Prove to me, where did you destroy this
product. Give me the facts. They can’t give you the facts,
shut ‘er down right now. Let’s not wait ten days.”

But leaders in the FDA don’t think recall authority would
have made much difference in the tainted peanut product
case.

David Acheson is Associate Commissioner for foods at the
FDA. Once people started getting sick, he says most
companies using the Peanut Corporation of America’s
products voluntarily recalled their cookies and crackers.

“There’s no suggestion that having mandatory recall is a
panacea to solving food safety problems. It’s one more tool
that would be used from time to time when the situation
warrants it, but it’s not the answer to modernizing food
safety.”

Acheson says the real problem is that the FDA is so busy
reacting to public health threats – to putting out fires – that it
can’t get ahead of the problems and fix the food safety
system.

He says the food system needs preventive controls.

There are a lot of points in the food supply chain where
hazards can creep in: when the food is being grown,
processed, distributed, or sold in a store. Acheson says the
food industry needs to identify control points for each food –
where they are most at risk at becoming unsafe.

“Is it a wild animal in a field, is it the water supply for the
spinach, is it the temperature in my freezer in a retail store.
And all these things in between where things can go wrong
and food can either become contaminated or if there is a low
level of contamination then bacteria can grow.”

Once those control points are identified, Acheson says the
FDA needs to do more inspections – to make sure food is
being handlled safely from farms fields to grocery stores.

But that’s going to cost money.

So Congress is considering charging companies fees to pay
for those inspections.

Food manufacturers don’t like that idea. We contacted
several companies, but none of them, not even the Grocery
Manufacturers Association, would comment for this story.

For The Environment Report, I’m Julie Grant.

Related Links

EPA Rules on Pesticide Residue

  • One crop that Carbofuran was used on is potatoes (Photo by Scott Bauer, courtesy of the USDA)

The Environmental Protection Agency says no amount of the pesticide carbofuran is safe on food. Mark Brush has more on the new EPA rule:

Transcript

The Environmental Protection Agency says no amount of the pesticide carbofuran is safe on food. Mark Brush has more on the new EPA rule:

The EPA has been phasing out this insecticide, but it’s still used on some crops like rice, corn, and potatoes.

When people are exposed to carbofuran, it can cause damage to the nervous system. And the EPA is particularly worried about kids exposure when eating food or when drinking water near treated farm fields.

Potato farmers say they use carbofuran to kill bugs that resist other pesticides.

John Keeling is the CEO of the National Potato Council. He says they were hoping the EPA would let them keep using it.

“We had tried to work with the agency to modify use patterns, or limit the use to particular areas, so that we could continue to use the product – but they obviously didn’t continue in that direction.”

FMC Corporation makes the chemical. Officials there issued a statement saying they’ll fight the EPA’s new rule.

For The Environment Report, I’m Mark Brush.

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Coal Ash Could Cause Cancer

  • Coal ash is sometimes used as an ingredient in concrete blocks (Photo source: Skepticsteve at Wikimedia Commons)

For decades coal burning power plants have dumped coal ash into landfills or ponds next to the plants. Tamara Keith reports environmental groups say that’s more dangerous that previously known:

Transcript

For decades coal burning power plants have dumped coal ash into landfills or ponds next to the plants. Tamara Keith reports environmental groups say that’s more dangerous that previously known:

A new report from the Environmental Integrity Project and Earthjustice uses data from the US Environmental Protection Agency – including a study that had been kept quiet since 2002.

Among the findings, people who live near coal ash storage ponds that are unlined, and who get their drinking water from a well, have a 1 in 50 chance of getting cancer from arsenic contamination.

Lisa Evans is an attorney with Earthjustice.

“It by far presents the largest risk to human health and the environment and there’s no reason to manage the waste in this way.”

The groups are calling for these storage ponds to be phased out and cleaned up in the next 5 years.

The EPA says new regulations are coming soon.

Power companies are willing to stop using storage ponds – but don’t want the coal ash classified as toxic. That would make disposal more expensive.

For The Environment Report, I’m Tamara Keith.

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Kicking a Chemical Out of Cans

  • Tomatoes are posing a problem for a BPA-free lining - they are so acidic they can eat through it (Photo by Scott Bauer, courtesy of the USDA)

More than a hundred studies have linked a chemical in plastic to health problems. Things like breast cancer, prostate cancer, diabetes, and early puberty. This chemical, bisphenol-A or BPA, is used to coat the inside of baby formula cans and almost all food and soda cans. Rebecca Williams visits one company that’s found a safer can:

Transcript

More than a hundred studies have linked a chemical in plastic to health problems. Things like breast cancer, prostate cancer, diabetes, and early puberty. This chemical, bisphenol-A or BPA, is used to coat the inside of baby formula cans and almost all food and soda cans. Rebecca Williams visits one company that’s found a safer can:

(sound of forklift backing up, pumpkin seeds pouring out of roaster)

It’s pumpkin seed roasting day at Eden Foods. It’s a natural foods company based in Michigan. It sells things like rice, canned beans, and all kinds of packaged fruits and sauces.

Michael Potter is the company’s president. More than a decade ago, he came across some news reports out of Europe.

“And I learned all the can linings in the USA were lined with this lining that leaches BPA into foods from the can.”

That got him thinking, and researching. Then he started badgering his can manufacturers.

“We virtually begged them to provide us an alternative. We persisted in hounding them and eventually the Ball Corporation said they’d make a can with an old lining they used to make.”

The lining’s made from a plant resin instead of the epoxy resin with BPA. The thing was, it would cost Eden Foods 14 percent more – that’s about 2 cents a can.

But Michael Potter says he had to make the switch.

“We’re selling this not only to people that we don’t know, in the market, we’re feeding it to our children, our grandchildren and ourselves – we didn’t want to eat bisphenol A.”

But there was one problem. He couldn’t make the switch for canned tomatoes.

Tomatoes are acidic, and they can eat through the plant resin can lining. That could lead to bacteria or rust getting into the food.

“There is no alternative for high acid foods other than bisphenol-A lining at this point. We are urging, nudging, demanding a bisphenol-A free alternative. And we’re optimistic we’ll end up with one.”

But the metal can industry says those alternatives just don’t exist right now.

John Rost is with the North American Metal Packaging Alliance. He says the industry is trying to find new materials. But he says shoppers shouldn’t worry about eating canned food.

“The levels of BPA that are coming from epoxy can linings are exceedingly low. We’re talking low parts per billion. That level has been deemed safe by the European Food Safety Authority, Health Canada and the US FDA.”

That’s true, but Health Canada has declared BPA toxic. It’s making moves to limit its use.

A number of independent scientists debate that there’s any safe level of BPA.

Maricel Maffini studies BPA at Tufts University School of Medicine. She says they’ve seen harmful effects on lab animals at the same very low levels of BPA that are leaching into our food from cans.

She says that’s because BPA acts like the hormone estrogen.

“You just need a tiny little signal to trigger an effect. So I think it’s unfair to say there is a safe dose because as scientists we cannot say that yet. We have not found a dose that is low enough where we don’t see effects.”

She says babies and kids are the most at risk. She says BPA has caused lasting damage in lab animals when the animals were exposed to the chemical both before and after birth.

“I think we should be concerned, I think we should limit our consumption of canned foods especially if you are pregnant or if you have babies.”

It’s possible that US can makers will be forced to stop using BPA. Leaders in Congress have introduced bills that could soon ban BPA in all food and beverage containers.

For The Environment Report, I’m Rebecca Williams.

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Paying for Risks on the Rails

  • This train in Graniteville, South Carolina, crashed while carrying chemicals called "toxic inhalation hazards." Transporting these chemicals is extremely dangerous, and rail companies think chemical companies should share some of the insurance burden. (Photo courtesy of the Environmental Protection Agency)

Toxic Inhalation Hazards are a class of chemicals with a notorious name: if you inhale them, you die.
On the flip side, they’re useful: Take chlorine. It purifies drinking water. Another is anhydrous ammonia. It’s used for corn fertilizer.
The government feels some toxic inhalation hazards are so important it forces railroads to ship them, even though insurance is expensive.
Shawn Allee says rail lines now want the chemical industry to chip in:

Transcript

Toxic Inhalation Hazards are a class of chemicals with a notorious name: if you inhale them, you die.
On the flip side, they’re useful. Take chlorine: it purifies drinking water. Another is anhydrous ammonia. It’s used for corn fertilizer.
The government feels some toxic inhalation hazards are so important it forces railroads to ship them, even though insurance is expensive.
Shawn Allee says rail lines now want the chemical industry to chip in:

To understand why the railroad industry wants help with insurance, you should know what happened in Graniteville, South Carolina.
Phil Napier is Graniteville’s fire chief. Napier tells me, one night in January 2005, he got paged about a train wreck.
He hopped in his truck and before long, he found the train engineer.

“I stopped to roll the window down and this gentleman told me they had a chemical leak and he couldn’t breathe and he fell to the ground. And immediately, it hit me. It basically took my breath and all I remember is taking a U-turn heading north but I ended up south. There’s a time-zone in there that I have no memory.”

When Napier came to, he got word from his radio: the train carried chlorine and a toxic cloud was spreading.
Napier evacuated Graniteville. Later, he got a look by helicopter.

“We did a flyover. I mean, it was like a Twilight Zone – you could see cars all up and down the highways, with the doors open.”

Nine people died in the Graniteville derailment and chlorine spill. Since then, the railroad industry worried an accident like this could ruin them.

“The lesson we drew from that was, if there is a major catastrophe by the railroad carrying this material, could be forced into bankruptcy and be forced out of operation.”

That’s Ed Hamberger, the head of the Association of American Railroads.
Hamberger calls the Graniteville accident a tragedy for the town and a financial mess for the railroad responsible – Norfolk Southern.

“The accident in Graniteville resulted in damages of 400 to 500 million dollars.”

Norfolk Southern won’t confirm the figures, but consider this: it’s still in court over an incident involving nine deaths.

Experts say if a similar derailment happened in the middle of a big city like Chicago, it could kill at least 10,000 people.
Hamberger says railroads can’t insure against that.
You might think they would refuse to carry toxic inhalant hazards, but the government says they have to – because rail has the best safety record.

“The freight railroad industry has what is known as a common carrier obligation to carry these toxic by inhalation materials. Several of our members have said if they were not forced to, they would not carry it because of that liability threat.”

Hamberger says if the government won’t lift the obligation, it’s fair to require chemical companies to pay some insurance.
And, he says, it would make the public safer.
The argument goes, if chemical companies paid more to insure against transportation accidents, they’d create safer chemicals.

“With regard to the argument the chemical industry needs an incentive to make safer products, frankly, we have all the incentive in the world.”

Marty Durbin is with the American Chemistry Council.
He says chemical companies already pay insurance against accidents in their factories.
And they are looking for alternatives to chlorine and other toxic inhalant hazards.
Durbin says, besides, when trains leave their factories financial risk should be out of their hands.

“You have to have liability throughout the chain that helps motivate safety improvement.”

The chemical and railroad companies will battle this out in front of government agencies for a while.
In the meantime, each year, trains will make 100,000 shipments of toxic inhalation hazards along the nation’s railroads, even if some freight rail companies don’t want to.

For the Environment Report, I’m Shawn Allee.

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