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Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
By Marial Edwards
SAVING ENERGY
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
Learning Objectives
You will understand: • What is energy and the uses of energy• The difference between renewable and non-
renewable energy• Why we need to save energy• How we can save energy and be more energy
efficient• How to measure energy savings
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
What is energy? What have you got at home or at school that
uses energy?
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
NON-RENEWABLE ENERGY
Fossil fuels are sources of non-renewable energy. Most of the electricity in the UK is produced by
burning fossil fuels in large power stations. They take millions of years to create and will soon run
out. Can you name the fossil fuels?
Coal Gas Oil
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
RENEWABLE ENERGY
Renewable energy are sources which can be reproduced over and over again. Renewable energy sources are
greener and better for our planet than Non-renewable energy sources. Can you think of any?
SOLAR ENERGY
WIND POWER
BIOMASS
HYDRO ELECTRIC
GEOTHERMAL
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NUCLEAR ENERGY
• Nuclear power stations creates about 18% of the UK’s electricity from a small amount of element called Uranium
• There are no CO2 emissions from nuclear power stations
• Some of the waste created contains radiation which must be kept safe for thousands of years.
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
Our planet needs YOU!
Why is it important to save energy?
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
The reasons to SAVE energy
1. To SAVE the environment
2. To Save our planet’s Non-renewable energy sources
3. To SAVE money
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1. To SAVE the environment
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
Did you know?
Everyday, when we travel in cars and use electricity and heating in our homes, we release a gas called carbon dioxide (CO2).
When CO2 is released, it pollutes the atmosphere.
CO2 is a major contributor of the green house effect and speeds up the changes in our climate .
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
What is climate change?
CO2 traps heat in the atmosphere, similar to a warm blanket. We need this
blanket to stop the Earth from freezing.
However, too much CO2 in the atmosphere makes the planet too hot
and creates what is known as the Greenhouse Effect.
The long term result is Climate Change (or Global Warming) – changes in world temperatures and weather
patterns over a long period of time. Who would like to come to the front to demonstrate this?
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
Negative Effects: Climate Change
Ice melting and sea level rising.
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Negative Effects: Climate Change
More floods due to heavy rainfall and strong winds in countries like Wales.
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
Negative Effects: Climate Change
More drought already seen in several countries on the Equator.
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
Negative Effects: Climate Change
Diseases, such as malaria, that appear in hot climates are spreading as mosquitoes move
to colder climates.
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Negative Effects: Climate Change
Plants and animals are becoming extinct
(up to 1/3 could disappear by 2050)
Oceans getting warmer and turning too acidic.
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2. To SAVE non-renewable energy sources
• Fossil Fuels are running out
– 40 years of oil left
– 65 years of gas left
– 200 years of coal left
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3. To SAVE money
• Save energy = Save money!
• Together we can save millions of £££ on our heating and electricity bills by not wasting energy.
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
Is your school contributing to climate change?
• Ysgol Ein Harglwyddes produced 44 tonnes of CO2 in 2009
• This is enough CO2 to fill 264 double-deckers
OR• 44 hot air balloons
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Switch them off!
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Hot and bothered!
REMEMBERREMEMBER
18°C18°C
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Close them!
Close doors and windows to prevent the heat from escaping!
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Don’t waste it!
Low Carbon Council Low Carbon Council → Low Carbon → Low Carbon GwyneddGwynedd
Have you saved energy?
• Every month, note your school’s electricity and gas meter readings to find out if your school is using less energy.
• Send your readings to the suppliers (British Gas / Corona Energy)
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www.sbarciafflic.org
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CLIMATE CHALLENGE
Choose a Climate Crime Card.
Can you guess the climate crime?
