What is ALTERNATIVE ENERGY?. What is Carbon Dioxide? Carbon dioxide (CO2) is not only one of the most important greenhouse gases, it is found all around.

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Presentation transcript:

What is ALTERNATIVE ENERGY?

What is Carbon Dioxide? Carbon dioxide (CO2) is not only one of the most important greenhouse gases, it is found all around us: in the air we breathe; in the air we exhale; in fizzy drinks; in cakes, which rise thanks to the CO2 produced by baking powder; and when organic compounds such as paraffin, paper, wood or petroleum are burned. In liquid form, it is used in fire extinguishers and as a refrigerant in the food industry (for example to store and transport ice cream). In high concentrations, CO2 can become dangerous for humans and other animals, but it is also the source of life: during photosynthesis, plants use CO2 and light to produce sugar, starch, fats and proteins, as well as the oxygen we need to survive.

What a waste! Organize the following statements into the correct columns. WastefulEnergy-saving Filling the bath. Having a shower. Turning the central heating down one notch. Leaving the computer on. Turning off the lights as you leave a room. Leaving the television on ‘stand by’ Using energy-saving lightbulbs.

The energy we use in our homes contributes up to a quarter of the carbon dioxide released in the UK! How do we use energy in our homes? In the kitchenIn the bedroomIn the living room

Read and print the following reports. Colour the facts red. Colour the opinions green. Street lights across Wales switched off to save money: 20 Sept Street lights to go back on in Powys: 24 Oct Street lights 'switched off to save money' by councils: 22 Dec

Watch this short film Lights Out:

How can we be more green?

What will happen if we do nothing?