Tag: backyard

Reducing Ground Level Ozone Pollution

  • Russ Adams mows his lawn with an electric lawnmower. He does so to reduce local air pollution such as ozone. (Photo by Christina Shockley)

Summer can be a perfect time for barbeques, weekend trips, and yard work. But those very things contribute to a summertime health hazard. The Great Lakes Radio Consortium’s Christina Shockley reports:

Transcript

Summer can be a perfect time for barbeques, weekend trips, and yard
work. But those very things contribute to a summertime health hazard. The
Great Lakes Radio Consortium’s Christina Shockley reports:


(sound of gasoline-powered lawn mower)


This time of year, it takes just a short walk along pretty much any residential
street to find someone mowing their lawn.


(crossfade, gas-powered lawn mower sound out, electric mower sound up)


But if you walk past the Minneapolis home of Russ Adams, you might take a
second look.


“My neighbors came over… they were a little bashful ’cause they
weren’t sure how to pose the question. But they wanted to know what I was
doing in my yard and what that machine was. They thought it was some kind of
new-fangled mulcher or something.”


That mulcher is actually an electric lawnmower. The mower is a sleek red and
black. It’s about the same size as a gasoline mower. There’s no cord running
to it. It runs on a battery. There’s a plug on the back of the main unit
that’s used to charge it.


(sound of garage door opening)


“Okay, so this is the garage. Just plug it in
right here, and really it doesn’t take long for it to juice up. And you just
leave it plugged in, and as soon as it’s fully charged it stops drawing on the
electricity, so it’s energy-efficient even in the recharging mode.”


Adams says the main reason he uses the electric mower is that it’s just one way
he can help improve air quality in his city. And as small a step as that
seems, emissions from small engines such as lawnmowers do cause air quality
problems.


Rebecca Helgesen is with the Minnesota Pollution Control Agency. She says one
major summertime problem is ozone. Helgesen says human activity creates the
ingredients in ozone.


“Certainly motor vehicle exhaust and chemical solvents are major
sources. Also, industrial emissions and gasoline vapors.”


The chemicals stew and combine with hot, humid conditions to increase ground
level ozone.


“When the air is stagnant – not moving very much, and it’s hot and
sunny, that’s when you see the chemical reaction that creates ozone.


Helgesen says the Environmental Protection Agency forecasts ozone, so people
will know ahead of time when not to mow their lawns or to stay indoors. The
forecast is called an Air Quality Index. It uses color codes. On a “yellow”
day, the air is dangerous for sensitive people. On a “red” day, everyone is
encouraged to limit outdoor activity. Ground level ozone can cause lung
damage. Helgesen says breathing ozone isn’t good for anyone, especially those
with asthma.


“You’re coughing more, you may find you have some tightness in your
chest, or uncomfortable. You may find that you’re tired more easily.. all of
those mean that there has been some compromising of your lungs.”


Ozone levels start to fall in the evening as people stop driving, as the sun
sets and the air cools. Helgesen says the Minnesota Pollution Control Agency
encourages people to wait to pump gas, drive, and mow their lawns until 7 or 8
at night.


Getting people to do these things is where the organization, Clean Air
Minnesota, comes in. Its members include an unusual mix of business groups,
environmental groups and others.


Bill Droessler is the group’s program director. He says Minneapolis-St. Paul doesn’t
have a big ozone problem, like some other cities… yet. Clean Air Minnesota wants to keep it that
way. If levels go up, the federal government could impose restrictive – and
costly – regulations. Droessler says his group holds on-site training programs
at participating businesses to get people to take action.


“Postpone landscaping things, use of internal combustion engines as late as
possible on those days. Avoiding backyard recreational fires.”


He says even using newer gas cans that don’t let vapors escape as easily helps
reduce ozone. Droessler says he hopes people will take the time to make just one change to
help reduce ozone levels.


Russ Adams sees his electric mower as his one small action. He concedes that
the electric mower does use electricity. But while coal-burning power plants
do pollute, his electric mower is better for air quality than a gas-powered
mower.


“My argument is that if everybody had an electric mower, then we’d be cutting
down on the air quality problem. Wouldn’t solve it, but we’d be making a good dent.
I mean, I talk to my friends all the time about how fun it is to use this
mower.”


Shockley: “So I press it down… and pull back…”
Adams: “There you go.”
Shockley: “Oh, it’s very easy!”


(sound of electric mower)


Adams: “Now what I want you to do, is do this part of the yard in the back. I’ll go in and
have some tea, maybe some orange juice, and then we can tackle the front yard
after you’re done back here.”


Shockley: “Okay, that sounds great.” (laughter)


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


(mower noise fades out)

Related Links

Birders’ Passion Helps Scientists

  • Backyard birders across North America are helping scientists track the fate of our feathered friends. (Photo courtesy of USFWS)

Every year, tens of thousands of avid birdwatchers wander through frozen fields and marshy swamps. Their job is to record as many birds as they can find in a given area. For birders, it’s a day to enjoy the outdoors while doing what they love most. But as the Great Lakes Radio Consortium’s Karen Kelly reports, that passion serves another purpose – it helps scientists:

Transcript

Every year, tens of thousands of avid birdwatchers wander through
frozen fields and marshy swamps. Their job is to record as many birds
as they can find in a given area. For birders, it’s a day to enjoy the outdoors
while doing what they love most. But as the Great Lakes Radio Consortium’s
Karen Kelly reports, that passion serves another purpose – it helps scientists:


(sound of footsteps)


Georgina Doe: “There’s five robins right there and there’s three common mergansers,
males…”


Georgina Doe scans the shoreline with her binoculars. Within seconds,
she spots a tiny glimpse of a bird and names it.


She knows them by the way they dive in the air, and the way they thrust
their chests out.


Doe has been scanning the treetops of Carleton Place, Ontario for
more than 30 years. She says she loves the chase and the element of surprise.
And over the years, birding has also been her escape.


She remembers watching a robin build its nest when her grandson
was seriously ill.


“So I used to count the birds every morning before I went off to
the hospital. And then after that, you come back to reality. Somehow a
little bird can just make you feel better.”


Birds have been a part of all of our lives. We might not know their names.
But we can remember holding a baby chick. Or hearing a cardinal on a crisp cold day.


But now, many bird species are dwindling. And scientists are
counting on birders like Georgina Doe to help them find out why.


Doe is one of many birders in North America who collects
information for scientists. Jeff Wells works with that information
at Cornell University’s Lab of Ornithology.


“There’s no way that we could ever pay the tens of thousands of
trained biologists that would be necessary to gather this kind of
information. It’s only possible when we can engage volunteers like
we do in citizen science projects.”


Cornell runs at least a dozen programs that rely on information
from average birders.


There’s the Christmas Bird Count. About 50 thousand people participate.
Another 50 thousand track species during the Great Backyard Bird
Count in February.


The volunteers reported that wood thrushes are disappearing in
many areas. And they’re tracking the effect of the West Nile Virus
on bird populations.


“If a little bird dies, usually it just disappears quickly
and no one ever sees it. So we don’t really know the impact.
And so looking at the differences in the numbers and distribution
might give us some sense of when the disease was rampant in the summer,
whether it killed off enough birds to make a noticeable
difference in our count.”


(sound of quiet footsteps)


Robert Cermak: “You can see it’s about 10 inches high. It’s all fluffed
up right now so it’s
hard to get a sense of
its mass…”


Birder Robert Cermak tiptoes closer to a barred owl sitting in the
crook of a tree.


We’re in Ottawa, Canada’s capital and a city of about a million
people. When it comes to bird counts, this is Cermak’s territory.


“It’s not often that you actually see a barred owl, any owl, during
the day. They’re usually more secretive. This one is not too
afraid to be out so it’s probably become more accustomed to having people
around it, since this is the center of the city.”


Like Georgina Doe, Cermak has been birding for years. But even with
veterans, there’s always concern about their accuracy. Cermak
discovered this firsthand when he reported seeing a rare
harlequin duck last year.


“I sent it in and a few hours later, someone from Cornell –
very politely because it’s a delicate subject to question
someone’s sighting of a rare bird – but they very delicately
indicated that a harlequin duck is extremely unusual in Ontario and
could I please provide a few extra details.”


Cermak sent them a published account of the sighting. He also
gave them the number of a local expert.


Jeff Wells says researchers check their facts carefully. They look
for reports that don’t match others in the surrounding area. Sometimes
an investigation turns up a trained ornithologist… and sometimes not.
But overall, Wells says the information has formed the basis for
hundreds of published studies.


That’s something that makes birders like Robert Cermak and
Georgina Doe feel proud.


“It’s nice because you’re contributing. You’re doing a
lot of hours, it uses a lot of gas, you go around a lot of blocks doing this
kind of count
but we just think it’s important.”


(sound of Georgina Doe walking)


Georgina Doe says she doesn’t really think of herself as a
scientist.


But she’s out there every day, with her ear to the wind. And that’s
what the scientists are counting on.


For the Great Lakes Radio Consortium, I’m Karen Kelly.

Related Links

Nature’s Complete Food Source

Just in case you’re ever stranded in the wilderness, it’s good to know
how to forage for food. But many people are learning that you don’t
have to be in dire circumstances—nor do you even have to leave home—to
go scouting out a free meal. In fact, one of nature’s most complete
food sources may be right underfoot. The Great Lakes Radio Consortium’s
Wendy Nelson reports:

Nature’s Complete Food Source

Just in case you’re ever stranded in the wilderness, it’s good to know how to forage for food. But many people are learning that you don’t have to be in dire circumstances-nor do you even have to leave home-to go scouting out a free meal. In fact, one of nature’s most complete food sources may be right underfoot. The Great Lakes Radio Consortium’s Wendy Nelson reports:

Commentary – Men Love to Mow

In communities throughout the Midwest, city residents are moving to the country, seeking their own little slice of nature. But as residential lawns take over farm fields, nature itself is suffering. Great Lakes Radio Consortium Commentator Gayle Miller, blames the loss of wildlife habitat on men, their love of mowing, and their obsession with big, green lawns: