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We will stop using oil and coal. These fossil fuels cause pollution and global warming. Instead, we will use solar energy, wind and water power. However, I believe the answer to our energy needs will be bio fuels such as corn. Bio fuels have many advantages. They are renewable (we can grow them again and again), clean, and take carbon dioxide out of the air. This is important because CO2 causes global warming.

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Global warming will make temperatures go up and so there will be more extreme weather such as hurricanes and floods. Sea levels will get higher. Cities near the sea, such as London and Rio de Janeiro, will need to build very high sea walls to stop floods. Also, there won’t be enough water for all our needs. But we will purify sea water so we can drink it. And we will build cleaner, energy-saving homes.

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People travel too much – and travelling uses energy and causes pollution. So in the future, people will share cars. How will it work? Well, people will go to a car park, pick up a car, drive it across the city, then leave it in a car park near their destination. When they drive home, they will use a different car. This saves energy. Cars, buses and lorries will use electricity so they will be cleaner, quieter and safer.

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I think cities will look different too. In every neighbourhood, homes, shops, restaurants, schools and

businesses will be close together. So it will be easy to get to the office or the factory. And don’t forget, we will all have computers. Lots of people will work, study and shop at home. When they travel, they will walk or cycle. That’s cheap – and good for you, too!

Bio fuels are better than fossil fuels because...

There will be more extreme weather because.....

Cars will be cleaner and quieter because .....

People will travel less because....

People will be healthier because ...

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Increase in world temperatures caused by pollution

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A large amount of water that suddenly covers land

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A powerful storm with very strong winds

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To remove bad substances or chemicals

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Damage to water, land or air caused by chemicals and waste