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“Generally
speaking, the less you spend, the fewer resources you use.” “Flying,
unfortunately and sadly, is not really a part of our secure and
sustainable future.” “Chatting
with friends and loved ones on the internet or on the phone is not the
same as visiting them, but keeps you in touch as often as you like with
practically no cost in energy, CO2, money or time.” |
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Measuring
success If we are going to successfully
reduce our negative impact on the planet and live a sustainable life,
we need simple ways to measure our consumption and use of natural
resources and see our progress toward sustainability. Here are a few
pointers—Ecology Begins at Home shows you others. Measuring
resource usage
To measure progress, you can use
the “before and after” method. For example, I kept track of how
many bags of garbage I threw out each week, made changes in my living
habits, then measured it again and saw what results I had achieved. I
noted how many minutes I showered each day (hot water usage) and
compared week by week. I kept track of my electricity bills and
compared them from month to month and year to year. Such measurements
gave me satisfaction, and also showed which changes gave noticeable
results and which didn’t. Eco-Checklists
at the back of Ecology Begins at Home (2004) can give you a
quick overview of your progress as you fill in and check off actions
that you take. You can put these lists up on your refrigerator door and
modify them to suit your needs. I
also kept an experiment notebook where I joted down
changes I made, ideas I got and data that I come across, for example,
notes from the newspaper or seen on Internet. This can be a good place
to save your petrol/gasoline and heating bills to have
them all in one place. I wrote down the purchase dates, for
example, of dishwashing liquid, washing detergent and other chemicals
and hygenic products, on a list to later see how long they lasted. I
also wrote the purchase dates directly on the package. Cooking
experiments went in my recipe notebook, with full details even
on things that didn’t turn out so well (“Sigh, I won’t make that
mistake again”). For
food, I got a quick impression by seeing the number of
tins, glass jars and bottled or packaged drinks on the shelves of
my kitchen pantry and in my refrigerator. Today there aren’t many! I
saved my purchase receipts and added up my total expenditures for
food and household goods. Factory food is always resource intensive
compared to fresh food, and the price reflects this (not always so
exactly, but generally). Another way to estimate your food resources is
to see how many bags of recyclable packaging you have each week
(fresh food has almost no packaging, factory foods leave a trail of
packages in addition to all the resources used at the factory). A car requires many
resources, but gasoline/petrol is probably the biggest--besides
the actual production of the car itself. Keeping a notebook in the car,
you can jot down petrol expenses and, if you like, for other
car necessities. A simpler method is to just keep track of how many kilometers/miles
you drive each week, month and year. Heating bills, if you have them, are a major
item to follow. The same for water bills. Measuring total
footprint
To measure your total impact at
any point in time, you can look at your total expenses, i.e.,
how much money you spend each week, month or year. To be more accurate,
you can leave out big investments such as a computer or car, or prorate
them over the number of years of their life. Leave out interest and
amortization on loans.
Less consumption of all kinds
means fewer resources and less impact.
Generally speaking, the less you
spend, the fewer resources you use and the less your impact on the
planet’s ecosystems. Footprint
calculators
Instead of your expenses, you
can use a carbon footprint or ecological footprint
calculator on Internet. These ask you questions about your
lifestyle, then on the basis on your answers, calculate the CO2 you
create annually (your carbon footprint) or the equivalent land
area (your ecological footprint) that is needed to sustain your life.
These calculators are generally not detailed enough to help you see
changes from day to day, month to month or even over a year, but like total
expenses, they do show you whether you are consuming high, average
or low in comparison with your country and with other regions of the
world. You can find links to carbon footprint and ecological footprint
calculators, along with good explanations of what they measure, at www.wikipedia.org. Here are a
couple of carbon calculators to try:
www.resurgence.org/resources
http://actonco2.direct.gov.uk. Air travel
impact
Here are several easy ways to
estimate the resources and impact of your air travel, and by recording
them, see changes from time to time: 1.
You can record flight hours
or air miles for each trip you take. 2.
You can estimate 1 litre fuel
and 6 kg CO2 for every 6 air miles (every 10
kilometres) per passenger. This fuel is approximately as much as
driving a car the same distance (alone). The CO2 is 3 times the CO2
of ground transport because high altitude burning is more potent. 3.
You can estimate 50 litres
fuel and 300 kg CO2 per flight hour per
person. So if you fly 6 hours to a distant shore, you burn about 6 x 50
x 2 (return trip) = 4.
You can use an air flight
calculator such as the one at www.chooseclimate.org,
which gives both litres of fuel and kilograms of CO2 for any starting
point and destination that you pick out on a map. Note, however, that
this site and many others use CO2 at its face value of about 2 kg CO2
per litre fuel rather than its effective impact that the IPCC
in their latest report states is 2-4 times higher. Here I have used an
effective impact 3 times higher, or approx. 6 kg CO2 per litre fuel. However you look
at it, air travel is extremely eco-expensive, and travelling less is an
easy way to make giant cuts in our negative ecosystem impact. Train and
bus are much “cheaper” resource and climate-wise, when you can take
them. Even better and truly eco-smart is chatting with friends and
loved ones on the internet or on the phone. It’s not the same as
visiting them, but keeps you in touch as often as you like with
practically no cost in energy, CO2, money or time. Both cars and
flying will
gradually become the privilege of the superrich when cheap oil is gone.
Rather than hurrying to use up as much as I can of these precious but
polluting resources before they’re gone, I prefer to adapt my life now
to the much healthier and safer living standard of a world without oil
spills, oil wars, air pollution and drastic climate change, to a safer
and adequate standard that can be shared by all. Note: The first printed
edition of Ecology Begins at Home 2008 contains incorrect
figures for air fuel and CO2 per flight hour (almost
twice the values above). Please use the values above in point 3 or see
page 103 in the 2008 pdf
download for the correct text and figures. Copyright
2011 |
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