What is climate change?
The
climate of our planet has always been changing; previously changes have been a
result of natural causes, changes in the earth’s orbit, fluctuations in the
sun's energy, volcanic eruptions, and interactions between the ocean and the
atmosphere.
However,
today there are indications that increased human activity is increasing the
rate and magnitude of climate changes. The main human influence on global
climate is likely to be the increase in emissions of greenhouse gases such as
carbon dioxide and methane.
The
natural Greenhouse Effect is important for the existence of life
on earth; it describes the gases which surround the earth trapping some of the
suns heat, keeping the temperature at around 15 degrees C. Since the industrial
revolution, human activities have resulted in an increase in natural greenhouse
gases. The accumulation of these gases in the atmosphere enhances the
greenhouse effect.
At
present, just over 7 billion tonnes of carbon dioxide is emitted globally each
year through fossil fuel use, and an additional 1.6 billion tonnes through land
use change, largely by deforestation. An increase in these gases in the
atmosphere enhances the atmosphere's ability to trap heat, which leads to an
increase in the average surface temperature of the Earth.
Climate
refers to the average weather experienced over a long period. There are global
changes expected as a result of climate change in temperature, wind and
rainfall patterns.
Ø
The
earth has warmed by 0.74°C over the last hundred years. Around 0.4°C of this
warming has occurred since the 1970s. By 2100, global average temperatures are
predicted to rise by between 1.4°C and 5.8°C. (the global average temperature
during the last ice age was only around 5°C lower than today).
Ø
By
the second half of the 21st century, wintertime precipitation in the northern
mid to high latitudes and Antarctica will rise, however, Australasia, Central
America and Southern Africa is likely to see decreases in winter precipitation.
Ø
Global
sea levels are likely to rise between 200mm and 600mm by the end of this
century, as a result of continued melting of ice caps, glaciers and sea ice,
changes in rainfall patterns and intensification of tropical cyclones. It is
thought the West Antarctic ice sheet is unlikely to collapse this century. If
it does fall apart, sea level rises would be enormous.
Ø
More
hot days over land areas and fewer cold days and frost.
Ø
More
intense precipitation events.
Carbon footprinting and reducing your
effect on climate change
Calculate
your carbon footprint!
Everyone has a carbon footprint - it's your own personal measure
of how much carbon dioxide you create and how much you contribute to climate
change. Follow the links on this page to the Act on CO2 calculator (a Directgov
website) to find out what your carbon footprint is. You'll also get a
personalised action plan with recommendations about how you can help tackle
climate change. Marches Energy Agency also have a carbon calculator and you can
offset your carbon emissions through a number of projects locally.
We have highlighted a series of small steps everyone can try to
make your lives more sustainable. If you try some of the steps below you will
be making a reduction on your carbon footprint and will be helping address the
global issues of climate change. If you try one activity a day you could be
greener in a fortnight.
Improve your
home
·
Turning
your thermostat down by just one degree could reduce carbon emissions and cut
fuel bills by up to 10 per cent.
·
Think
about insulating your home. Loft insulation is the most cost-effective and energy
efficient measure to reduce losses, and the easiest to install. You could also
consider installing draught proofing.
·
Using low
energy lighting can
reduce the amount of energy used in lighting your home by between 50%-75%. Best
of all, low-energy light bulbs last up to 12 times longer than ordinary bulbs
and save you money.
·
Bin
the plastic bag – next time you go shopping, take your own bag and refuse the ones offered at the
checkout. If you need a bag, buy a ‘bag for life’ or a cloth bag that you can
reuse.
·
Buy local,
seasonal food –
and purchase items with less packaging. Start with a few
items – you’ll be surprised how much nice, fresh stuff you discover!
·
Recycle more! – you may already be recycling your
bottles, cans and newspapers, but did you know you can recycle plastic bottles
and tetrapak containers at many recycling outlets across Shropshire?
·
Turn your heating down by one degree – you won’t notice the
difference but you will save energy and cut your bills.
Using
household appliances
·
If
you have access to a suitable space, hanging your clothes outside rather than using the tumble dryer
will reduce your CO2 emissions. They will dry quickly and smell fresh too.
·
Invest
in an A-rated dishwasher, because a well-filled load
once a day is more efficient than many bowls of hot water, or a running tap, to
wash dishes.
·
Choose
a laptop instead of a desktop computer, as on average a laptop consumes around
30% less power.
·
Stand-by
energy is wasted energy. By switching everything off you are saving yourself around
£37 each year.
·
Only
boil as much water as you need in your kettle.
On the road
·
Walk rather than drive on short journeys.
It’s healthier, cheaper, probably not that much slower once you’ve had to find
somewhere to park, and will reduce your carbon footprint immediately.
·
Reduce the number of short trips you make in the car. Walking, cycling,
or taking public transport helps reduce local air pollution and the climate
change effects of using vehicles to get around.
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