Antarctic ice loss between 1996 and 2006, overlaid on a MODIS mosaic
image of Antarctica. It demonstrates that Antarctic ice loss
is accelerating - it increased by 75% during this 10 year period!
Colors indicate the speed of ice loss - red and purple are
rapid loss; blue is less rapid; green is a slow rate of loss.
Antarctic ice loss is now nearly as great as the loss of ice
in Greenland, according to a new, comprehensive study based on 15
years of satellite radar data and conducted by NASA and university
scientists. The ice losses are caused by accelerated movement
of glaciers into the sea, which is mostly a result of warmer ocean
waters that cause the floating sections of glaciers to thin or
collapse. Courtesy of NASA/JPL. |
Each year at the end of summer, the Arctic ice cover recedes to its
annual minimum and what is left is called the perennial ice cover,
consisting of thick, multi-year ice layers. Compare the
minimum perennial ice cover on September 5, 1980 (above) with the
the minimum in 2007 (below). The decline is dramatic
and irrefutable, an obvious consequence of global warming.
Courtesy of NASA/Goddard Space Flight Center Scientific
Visualization Studio. |
The annual minimum, perennial, Arctic ice cover on September 14, 2007
is shown above with an overlaid graph of its decline since its peak in
1980 (shown in the graphic above this one). The extent of the
minimum perennial ice cover has steadily declined since the satellite
record began in 1979, at a rate of about 10% per decade. On
September 14, 2007, Arctic minimum, perennial ice cover reached its
lowest extent on record - nearly 25% less than the previous low set in
2005. Courtesy of NASA/Goddard Space Flight Center Scientific
Visualization Studio. |
Although the huge hole in the ozone layer high in the atmosphere
(the stratosphere) that occurs each spring over Antarctica is not a
result of global warming, it is a result of human impact on our
planet. The hole is caused by chlorine and bromine gases
resulting from human-produced chemicals, such as chlorofluorocarbons
(CFCs) used in air-conditioners, heat pumps and refrigerators.
This image shows the hole in the ozone layer on September 11,
2005, the date it reached its maximum extent for that year. The
ozone layer blocks 90-99% of the sun's harmful ultraviolet radiation,
which causes skin cancer, genetic damage, and eye damage, and is
harmful to marine life. Though the efforts to curb release of
CFCs into the atmosphere will slowly allow the ozone layer to recover
over Antarctica, a 2006 NASA study revealed that the full return of the
protective ozone over the South Pole will take nearly 20 years longer
than scientists previously expected. Courtesy of NASA. |
This is a list of what Gary is doing and what
any of us can do to reduce global warming, the worldwide
environmental crisis of our time that we all play a part in every
day of our lives. Although many of the following practices
save Gary money, his primary motivation is to be a responsible
world citizen and a steward of our planet. These practices
also help ease his conscience about purchasing products that are
not built to last for years but repairing them is prohibitively
expensive so they end up in his trash when they no longer work
because there are not systems in place to recycle them.
The primary causes of greenhouse gases that
are creating global warming are the hundreds of millions of cars
driven every day on the planet, electricity generating plants, and
industrial pollution sources. Since most of us drive a car,
consume electricity, and buy manufactured goods, we are all part of
the problem. However, the more important fact is that we can
all be part of the solution as well. Multiply any of
the following small savings by one million people and the impact
becomes tremendous! Please save, copy or tell others about
this page.
WHAT WE CAN DO YEAR ROUND
What Gary does year round to help reduce his impact on global
warming (by conserving consumable products, he is not just using
less resources but less energy – fossil fuels – that are used to
manufacture, package and transport them):
- He recycles everything possible. Charlottesville, Virginia
has an excellent recycling program where Gary recycled junk mail,
newspapers (he only bought the daily paper one day each week),
magazines (almost all are unsolicited), all cardboard packaging
(this is called "boxboard" and it doesn’t matter if it is coated
with shiny plastic), cardboard boxes, toilet
paper and paper towel cardboard tubes, all paper that is
recyclable, all glass bottles, anything metal (including caps,
cans, tins, etc.), paper grocery bags (occasionally
he forgets to take his cloth bags), phone books, books he no
longer wants (he gives them to local libraries for the Festival
of the Book), plastic bags (when he buys items that he can easily
carry, he doesn’t accept the plastic bag the salesperson wants to
put them in), and he recycles old towels as rags.
Tallahassee, Florida (where Gary now lives) also has an excellent
recycling program where all of the above can be recycled and it
is better than Charlottesville, Virginia because in Tallahassee
all of the above items are picked up curbside in the county as
well as in the city (in Charlottesville, only some items are
picked up curbside and there is no curbside collection in
surrounding Albemarle County).
The recycling program in Albany, Georgia (where Gary briefly
stayed) is limited to newspapers, magazines, cardboard boxes,
aluminum cans, plastic beverage bottles (milk, soft drink, water or
juice), and glass bottles.
- In Charlottesville, Virginia, he could recycle all plastic
containers labeled 1 or 2 in the triangular recycle symbol but,
unfortunately, not all 1- or 2-labeled plastics are recyclable.
The plastics industry has duped us into believing that all
1- or 2-labeled plastics are the same. This revelation came
from the former head of the recycling program at the Rivanna Solid
Waste Authority in Charlottesville. Gary let the recycling
facility there determine which of his 1 and 2 plastic containers
were recyclable and which were not. In Tallahassee, Florida,
any plastic container with a "neck" (in other words, that had a
cap) can be recycled, regardless of the recycle number imprinted
on it.
- When he leaves a room that he will not return to in less than
ten minutes, he turns off the light. He leaves the light on
if he will be returning within ten minutes because frequently
turning light bulbs on and off causes them to burn out sooner (the
surge of electricity when a light bulb is first turned on is what
causes most bulbs to burn out).
- After he washes his clothes, he hangs his underwear and socks
on a clothes rack instead of drying them in the drier. He
dries his shirts, pants, shorts and other clothes in the drier
for only two minutes – enough time to get most of the wrinkles
out – and then hangs them on plastic hangers to dry. They
don’t need ironing, the colors in them remain brighter longer,
they last a lot longer because drying them in the drier causes
colors to fade and removes fibers (the lint you remove from the
filter), and the clothes drier is one of the biggest electricity
hogs in today’s homes so using it very little reduces greenhouse
gas emissions and saves money too. Towels and sheets can
be hung on an old-fashioned clothesline outside to dry (except
in the perpetually humid climate of the deep South).
- When he gives someone a gift, he usually doesn’t wrap it but,
instead, holds it behind his back and tells the recipient he has
a gift to create suspense as an alternative to unwrapping it.
- When he wipes up a liquid on the floor (or elsewhere), he
uses a rag instead of paper towels.
- He uses a rake or a broom instead of a gasoline-driven leaf
blower and uses hand-powered tools instead of electric or
battery-driven because it is good exercise. Battery-driven
tools are no better than electric because of the fossil fuels
used to manufacture and ship the batteries, which also need
continual replacement.
- When he ships or mails something in a padded mailer, he uses
one made of recyclable paper fibers that can be recycled by the
receiver. He refuses to buy bubble mailers because they are
not recyclable and take hundreds of years to decompose in landfills.
- By treating his belongings with care and respect, they last
longer and need to be replaced less frequently (if at all).
Treat them well and they will treat you well. When
they need to be replaced or have ceased functioning as they were
meant to, instead of throwing them away give them to Good Will or
a similar agency that can repair or sell them to someone who wants
them. We have been duped by this consumerism-based culture
into believing that everything must be replaced by the
newest version/model or the latest fashion and that bigger or
faster is better. DON'T BUY IT!
OTHER THINGS WE CAN ALL DO
- Plant trees because they absorb and need carbon dioxide (a
primary greenhouse gas).
- When padding something to be shipped, use paper instead of
Styrofoam “peanuts” or bubble plastic wrap, which are made from
fossil fuels and take hundreds of years to decompose in landfills.
If you receive Styrofoam “peanuts” in a package, take them
to a UPS or FedEx store where they will be reused.
- Use paper products that contain recycled fibers, which means
that fewer trees were harvested to make them. Despite the
recycling of paper fibers, millions of trees are killed to produce
the millions of tons of paper products consumed annually.
- Purchase products with minimal plastic packaging when
possible because fossil fuels and electricity are used to produce
this tough, thick packaging, which is not recyclable and doesn’t
decompose in the landfill in a thousand years. When you must
buy a product that is excessively packaged in plastic, remove the
packaging after your purchase while you are still at the store
and give it to customer service (cardboard boxes are OK to take
home because they can be recycled). If hundreds of thousands
of us did this, excessive plastic packaging would disappear.
- Put a gift in a reusable gift bag instead of wrapping it (or
hold it behind your back like Gary does). This encourages
the recipient of the gift to reuse the gift bag (you can even ask
them to do so).
- If you live in a temperate or northern climate, have
double-paned windows installed in your house. If
it is too expensive to do every window, install them only in the
north- and west-facing windows because the prevailing cold winds
in the winter are from these directions. Double-paned
windows (or storm windows) reduce your consumption of fuel or
electricity for heating in the winter and your consumption of
electricity for air conditioning in the summer.
- Grow some of your own food and buy locally grown food as
much as possible because this greatly reduces your impact on
global warming – millions of gallons of fossil fuels are consumed
in transporting food every day. Buy food grown in the U.S.
before buying food from overseas because of the additional fossil
fuels burned to bring it here by ship or plane. Fill out a
comment card at your grocery store requesting that they buy more
in-season, locally grown food and ask your friends to do the same.
- Eat less red meat, which is much more resource-consumptive
than raising veggies. Consuming one less serving of beef
each week saves 300 lbs. of carbon dioxide in a year.
- Ride a bicycle or walk rather than drive whenever you can –
it saves fossil fuel and it is healthy (on roads where air
pollution from cars is minimal).
- Use low-wattage or energy-efficient, compact fluorescent,
light bulbs (CFLs) in your home and at work. However, be
very careful not to break a compact fluorescent light (CFL)
bulb in your home because they contain Mercury, which is very
toxic. These bulbs must be recycled and should not be
thrown away in your trash because the Mercury they contain will
leach into the ground water around the landfill where your trash
finally resides. To find out how to recycle them, go to the
Web address (URL) www.sylvania.com/Recycle.
- Buy products made locally and buy used products sold by
local people as much as possible because this greatly reduces
the impact of your purchase on global warming – millions of
gallons of fossil fuels are consumed every day to transport
products and most are shipped from overseas. Purchases of
used or locally made products also support the local economy.
- Look at the energy consumption (often expressed in wattage)
of electrical products you buy and, when you have a choice,
choose the least consumptive.
- Reduce, minimize or avoid altogether shopping in big-box
chain stores like Wal-Mart, Sam’s Club, K-Mart, Target, Lowe’s,
Home Depot, Office Depot, Staples, etc.
These stores contribute to urban sprawl because they are
typically on the fringes of developed areas and they generate a
huge number of long car trips by customers each day, each trip
adding carbon dioxide to the air. They are also major
contributors to global warming because they import thousands of
goods made by poorly-paid foreign workers, shipped from
overseas, and then distributed, mostly by truck, all over the
country. Big-box stores are poorly insulated and, with
excessively high ceilings and no windows, they use incredible
amounts of electricity to keep them well lighted and at a
comfortable temperature for customers.
Because of their extended hours and lack of windows, they
must run the heating or air conditioning 24 hours a
day, every day of the year. They also drive smaller,
locally-owned stores out of business and much of their cheaply
priced merchandise is poor quality. According to the
Associated Press, Wal-Mart is the largest private user of
electricity in the world!
- Buy products from green businesses – such companies are
deliberately reducing their impact on global warming and
contributing to the preservation of our environment. Buy
stocks of publicly traded green companies to support them and
yourself.
- Sell stocks of companies that make huge contributions to
global warming and aren’t making efforts to be environmentally
responsible. Buy stocks of companies that are
manufacturing or selling clean or renewable energy producing
systems (like wind, solar, geothermal, tidal).
- Read more and watch TV or movies less – reading uses less
electricity and stimulates your mind.
- Vote against politicians running for national office who
don’t actively work to pass legislation to reduce U.S.
greenhouse gas emissions and vote for politicians who do.
Vote against local politicians who don’t actively support
tax credits to individuals, businesses and organizations who
install alternative energy producing systems.
WHAT WE CAN DO IN OUR HOMES IN THE SUMMER
What Gary does in the summer in his home to help reduce his
impact on global warming (air conditioning is a major source of
greenhouse gas emissions because of its high consumption of
electricity):
- If the humidity is high (usually it is in the summer), he
keeps the house windows closed day and night. In the
morning, the house feels cooler longer because the humidity in
the house is lower than it is outside (the higher the humidity
in summer, the hotter we feel).
- When he lived in a house with window air conditioners, he
waited until the house temperature reached 78-80 degrees (he
has an indoor thermometer) before turning on the air
conditioners. He only used two units (one was small) to
cool his house and he used fans to distribute the cool air.
He turned them to warmer settings or off when he left
the house.
- In his present home, which has central air conditioning,
he sets the thermostat at 79 degrees.
- He closes blinds in east-facing windows in the morning and
closes blinds in west-facing windows in the afternoon to reduce
the extent to which the Sun heats the house.
- When he lived in a house with a basement, he closed the
inside door to the basement because cool air produced by air
conditioning sinks into the basement if that door remained
open.
WHAT WE CAN DO IN OUR HOMES IN THE WINTER
What Gary does in the winter in his home to help reduce his
impact on global warming (greenhouse gases are produced by all of
the fuels we burn to keep us warm in the winter):
- He sets the thermostat to 65 degrees
during the day and wears warm clothes. If you don't have a
thermostat, get an indoor thermometer like Gary has and try to
keep the room temperature at 65 degrees or lower during the day,
especially if no one is at home.
He wears warm shoes or thick socks because, when his feet are
warm, the rest of his body will more likely feel warm. If
you like hats, wear a warm one at home and you will be surprised by how
cool you want your house in the winter (40% of our heat loss is
through our head).
- He works at home and spends most of the day in one room so
he heats that room with an electric space heater. He can set
the heater on low because of the warm clothes he wears and
especially by keeping his feet warm.
- On sunny days, he pulls his blinds up to let full sunlight
in but keeps blinds (or curtains if you have them instead)
closed in windows against which a cold wind is blowing.
At night, he closes all blinds (or curtains), which helps
keep cold air that comes in around the windows contained against the windows.
- He locks all windows (this causes a tighter
seal than if they are unlocked) and, on the first cold, windy day or night,
puts clear packaging tape over all cracks where the wind blows in
cold air.
- When he lived in a house with a basement, he placed a
rolled-up bath towel at the bottom of the basement door to the
outside, which kept cold air from coming in because the base of
that door didn't form a good seal. He also kept the
door from the ground level to the basement open because cold air on
the ground level gradually sank into the basement.
HOW WE DRIVE CAN REDUCE GLOBAL WARMING
- Gary drives 40 MPH except on the Interstate where he drives
60 MPH just to avoid being run over. Another exception is
that he drives the 55 MPH speed limit on local highways because
he doesn't want the driver behind tailgating him. When the
speed limit is less than 40 MPH, he drives the limit or under it.
He does this because it saves gasoline and, even though he
drives a 2000 Toyota Camry (not a fuel-efficient model), his
average gas mileage is over 30 miles/gallon. Driving at 40
MPH or less saves gasoline because, at all but the slowest speeds,
the slower we drive, the fewer revolutions per minute (RPM) the
engine turns and the fewer revolutions, the less gas it consumes.
- This speed also means that Gary seldom used his brakes on the
country roads he drove in Virginia because most curves can be safely made at
40 MPH and when he approached a curve requiring a slower speed, by
taking his foot off the accelerator before the turn, his car
usually slowed enough on its own to safely make the turn.
Replacing his brakes less often means fewer brake pads
consumed (and fewer manufactured if we all did this) and brake
pads, just like everything else, require electricity (as well as
raw materials) to be manufactured. If he lived in a city,
this savings would not apply.
- When accelerating from a stop or a slow speed, Gary does so
gradually because a gradual acceleration through the gears saves
an appreciable amount of gas. His 2000 Toyota Camry has a
tacometer (which registers the revolutions per minute or RPM of the
engine) so, during his gradual accelerations, he tries to keep the
RPM at 2200 or less.
- When he lived in Virginia and began driving down a big hill, he
shifted his car into neutral. This saved gas because the engine
turns fewer RPM when in neutral than in gear and the fewer
revolutions, the less gas it consumes. He waited to shift
back into drive until the speedometer read 40 MPH.
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