Tag: screen

New Homes for Chimney Swifts

  • The almost-finished tower awaits its new residents on the grounds of the Orono School District's nature center next to Lake Claussen. (Photo courtesy of Stephanie Hemphill)

There’s one American bird that has an unusual habitat problem. Chimney Swifts have adapted in the past as humans encroached on their territory. But now changes in human behavior are presenting new problems for the birds. And some people are trying to help them adapt again. Stephanie Hemphill reports.

Transcript

There’s one American bird that has an unusual habitat problem. Chimney Swifts have adapted in the past as humans encroached on their territory. But now changes in human behavior are presenting new problems for the birds. And some people are trying to help them adapt again. Stephanie Hemphill reports.

In his dad’s window-and-door warehouse in the Minneapolis suburbs, Derek Meyer is supervising the boys in his scout troop as they build a wooden tower for Chimney Swifts.

They’re using rough plywood to build a narrow box twelve feet high with an opening about a foot square.

Derek is doing this project to earn the rank of Eagle Scout. In the process, he’s learned a few things about the lives of Chimney Swifts.

“They originally lived in hollow trees but when the settlers from Europe came over they started destroying the trees, so they decided to live in the chimneys, and then people started putting wire over their chimneys, so over the last 40 years they’ve lost half of their population.”

Not just wire, but rain caps and other devices to keep moisture and critters out of chimneys.

The new home these boys are building for Chimney Swifts is destined for the nature center next to a nearby school. The school district was planning to tear down an old brick chimney as part of a remodeling project. Rebecca Field found out about that, and she tried to stop it.

“I said, wait a minute, I’m sure there are Chimney Swifts in there and they’re really good birds because they eat about 2,000 insects a day, each of those birds. And their favorite insect is the mosquito.'”

Field is on the board of Audubon Minnesota, and she’d been watching the swifts hanging around the chimney in the evenings. Individually they look like fat cigars with wings, but when they get ready to swoop down into the chimney for the night, there are so many of them, they look like a funnel cloud.

“How they communicate I have no idea, how they put the brakes on when they dive into that chimney so quickly, it’s a mystery but it’s a fun thing to watch.”

In the end the school district decided to leave the chimney up.

So now, a few weeks later, and just in time for the Chimney Swifts to fly back up from the Amazon, the tower is standing on a concrete pad at the school’s nature center.

School naturalist Marleane Callaghan has already brought all her classes, grades three-through-five, to check it out.

“We’ve talked about the bird, what it looks like, the dimension of it, I’ve invited them to come back with their parents to watch in the school parking lot in the evening up at the high school where they’ve left the chimney, and then to walk on down, to be able to identify them.”

This project is part of an effort by Audubon groups all over the country to raise awareness of Chimney Swifts and their need for homes.

In Minnesota, project director Ron Windingstad wants to convince homeowners to make existing chimneys more welcoming. He says people can take the caps off their chimneys during the summer, or just raise them high enough so the birds can fly in from the sides.

Soon these school kids will be able to see the amazing acrobatics of the Chimney Swifts. Windingstad says they hardly ever stop flying, from morning til night. They’ll even sip water and take a bath in a nearby pond, without stopping.

“They’ll scoop down, lower their bill, and fly across it and drink in the water. They’ll use some of these shrubs around here to break off little twigs about the size of a wooden matchstick or toothpick actually, and use that to build their nests, and they do that while flying as well. They are marvelous creatures.”

For The Environment Report, I’m Stephanie Hemphill.

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Old LCD Screens Used for Medical Treatment

  • One research team recovered polyvinyl alcohol from the computer screens, which can be used in medicine (Photo courtesy of the National Cancer Institute)

Some researchers want to recycle
a chemical in computer screens to
use it for a medical treatment.
Shawn Allee reports:

Transcript

Some researchers want to recycle
a chemical in computer screens to
use it for a medical treatment.
Shawn Allee reports:

Most LCD computer screens contain toxic mercury. The European Union will soon mandate those screens be recycled rather than thrown away.

There are other metals and chemicals in the LCD screens that are not dangerous.

Dr. Avtar Matharu is with Britain’s University of York.

His research team recovered polyvinyl alcohol from the computer screens.

It’s used in spongy pads that deliver medicine.

“We can take out Polyvinyl alcohol from the front and back of an LCD screen. We can take what effectively would be a waste resource and potentially use it in a medical application.”

Matharu says getting polyvinyl alcohol out of LCD screens is expensive compared to making it from crude oil, but he says it could be another reason to recycle rather than throw them into a landfill.

For The Environment Report, I’m Shawn Allee.

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Coveting Neighbor’s Flatscreen

  • A 42-inch flatscreen TV can use as much energy as a refrigerator. (Photo by Sol Grundy, Courtesy of Wikimedia Commons)

College basketball’s big Final Four tournament is approaching, and television sales will no doubt spike, as they do with most major sporting events. These days, almost every TV sold is a flat panel. And, as Tamara Keith reports, most use more energy than the old cathode ray tube TVs:

Transcript

College basketball’s big Final Four tournament is approaching, and television sales will no doubt spike, as they do with most major sporting events.

These days, almost every TV sold is a flat panel. And, as Tamara Keith reports, most use more energy than the old cathode ray tube TVs:

Talking to Arshad Mansoor can leave a person feeling guilty. He’s vice president of the Electric Power Research Institute. It’s a non-profit study group.

Mansoor’s organization studies how much power different electronic devices use. Those flat screen TV’s everyone is buying– they’re at the top of his hit list.

“As we started bringing in flat screen, and as flat screen prices started coming down, television is one of the largest growth segments in terms of electricity use.”

And get this– a 42-inch flat screen TV can use as much electricity as a refrigerator. Talking to Mansoor got me thinking about my own power use. So, I asked him a hypothetical question that, let’s say, isn’t nearly as hypothetical as it sounds.

“So if I go through my house and replace every light bulb with a compact fluorescent and then I go buy a flat screen TV?”

“You almost wiped out all your savings with one plasma TV and one set-top box that you gained with replacing all your light bulbs with compact florescent.”

So, I guess I’m not as green as I thought! Part of the issue, he says, is that people don’t replace their 25-inch TV’s with 25-inch flat screens. They go bigger. But Mansoor isn’t saying that environmentally minded consumers should steer clear of flat panel TVs. He’s just saying they should shop smart.

For instance, LCD models use less energy than plasmas. Doug Johnson is senior director of technology policy for the Consumer Electronics Association. He insists not all flat screen TVs are energy hogs:

“The key thing really is how efficient are those new televisions and what we have in place now and what we’ve had in place since November 1st of last year is a new energy star specification at the national level that is encouraging a competition in the marketplace for energy efficient televisions.”

New energy star TVs are up to 30-percent more efficient than the last generation of energy stars. And there are now nearly 500 models on the market that meet the standard.

Katherine Kaplan leads Energy Star product development for the US Environmental Protection Agency. She says in the past the program only looked at how much power a TV used when it was turned off.

“Really, it was time to take our energy efficiency requirements to the next level and to focus for the first time on active power.”

At a Washington DC Best Buy, flat screens line an entire wall and half of another one. Richard Glenn can’t seem to take his eyes off of Kung Foo Panda playing on a big plasma TV:

“I have an old fashioned big and clunky TV.”

“And what’s making you shop?”

“Envy. I covet my neighbor’s flat screen.”

And Glenn knows that if he buys a new TV it will use more energy than his old one.

“This very nice plasma I’m looking at here like uses as much energy as a hair drier or something like that. It’s really really bad.”

But he just can’t resist. I ask store manager John Zittraur to point out the energy star TVs:

“Ahh. I think it would be harder to show you the ones that aren’t ’cause all of the ones that we’ve been getting in, I’d say for the past 6 months or so, have all had the energy star logo on it.”

Zittraur has plenty of energy-saving advice for people like Richard Glenn. First, don’t buy more TV than you need. Keep the TV’s brightness settings toned down. Plug the TV, the DVD, and all the other electronics into a surge protector. For The Environment Report, I’m Tamara Keith.

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Eco-Films Debut on Festival Circuit

  • Environmentally-themed movies are hitting the festival circuit hard (Source: Sailko at Wikimedia Commons)

If you think Al Gore’s movie, ‘An
Inconvenient Truth,’ is one of the only
environmental films out there, think again.
There are so many movies about the environment
that entire festivals have been created to
showcase them. Jennifer Guerra has more:

Transcript

If you think Al Gore’s movie, ‘An
Inconvenient Truth,’ is one of the only
environmental films out there, think again.
There are so many movies about the environment
that entire festivals have been created to
showcase them. Jennifer Guerra
has more:

Science films have come a long way from this.

(sound of old science film)

Now, they’ve got flashy trailers, famous narrators and edgy music. There are hundreds of
these environmentally-themed movies and they’re hitting the festival circuit hard. Korea,
Italy, Israel, DC, Colorado, Michigan.

Susan Woods got to choose which movies to include in Michigan’s first ever Green on
the Big Screen film festival.

“It was quite daunting in the beginning, to tell you the truth, when I started looking
up all these films. I thought oh my goodness, how can I select them. There’s too
many to select.”

She eventually settled on about 30 films, including King Corn. Curt Ellis produced the
documentary, which is all about – yup, you guess it – corn and our dependence on it for
almost everything we eat.

(sound from movie)

“When you’re telling a story about the natural world, you really have to be able to
transport people to the place you’re talking about.”

And Ellis thinks the best way to do that – short of lecturing people in a cornfield in the
middle of Iowa – is to show them a film.

“The reason we make documentaries – Lord knows it’s not for the profit – the
reason we make film is because we believe film can make a difference.”

“My opinion of media effects in terms of film actually producing social action is
pretty limited.”

That’s Daniel Herbert. He teaches film at the University of Michigan. You could say he’s
got a healthy amount of skepticism when it comes to films’ impact on environmental
change.

“Unless you have policies in your city government without recycling, what does it
matter if you’ve watched An Inconvenient Truth? If Al Gore’s telling you to buy
$30 light bulbs and you make 9 bucks at Starbucks, what’s it matter?”

Plus he says you run the risk of having audiences think that just because they watched the
film they’ve somehow participated in solving the problem.

That said, if he had to choose between showing an environmental film at a festival, a
commercial movie theater or on TV? Herbert says he’d pick the festival. Sure, there’s
probably a greater audience to be had with television, and it’s a little more convenient to
just Netflix the film and watch it from home, but you lose something that way.

Susan Woods – she’s from the Michigan film festival – she says a festival can provide a
whole different experience.

“The difference is that these people are sitting home in a dark room as opposed to
being with a group of people who have the same mind set. And I think that’s the big
difference.”

And, she says, at a festival, if you feel inspired by one of the films, you can go up to a
director afterward and ask questions, or talk with a climate change expert about solutions
or sign up with a local environmental group.

Something you definitely wouldn’t be able to do sitting at home alone in the dark with
your TV.

For The Environment Report, I’m Jennifer Guerra.

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Invasive Screening Program Could Save Bucks

The U.S. economy could save billions of dollars a year if the government
would screen for invasive species. Lester Graham reports that prediction is
based on a recent study on screening out problem plants:

Transcript

The U.S. economy could save billions of dollars a year if the government would
screen for
invasive species. Lester Graham reports, that prediction is based on a recent study
on
screening out problem plants:


The study shows when a country screens for potentially harmful species of plants that
could spread like weeds, the cost of the screening is miniscule compared to the cost
of
the damage the plants cause. The study is published in the Proceedings of the
National
Academy of Sciences. It looked at the costs and benefits of Australia’s invasive
species
screening program.


Phyllis Windle specializes in invasive species. She’s with the environmental group
Union
of Concerned Scientists. Windle says it’s long been assumed that screening out pesky
plants would be worth the cost.


“But what this study does is that it really shows that prevention pays off and it
has good
data to illustrate that.”


Factoring in the scale of the U.S. economy to Australia’s, the Union of Concerned
Scientists estimates for an annual cost of a few million dollars, the U.S. economy
could
be spared a few billion dollars in damage by invasive plants.


For the Environment Report, this is Lester Graham.

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Screening Out Exotics

Efforts to find new technology to stop the spread of exotic speciesentering the Great Lakes continue, even as some worry that a virus-basedthreat could make its way here. The Great Lakes Radio Consortium’s MikeSimonson has more: