70% of the energy used around the world is used in cities.
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What does 75% refer to?
75% od the carbon dioxide that pollutes the atmosphere and problems and cause problems such as global warming.
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Explain how the acid rain is produced.
Water in the atmosphere dissolves polluting gases producing acids. Whe it rains, the acidic droplets fall to the ground
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What causes global waming?
The extra carbon dioxide in the atmosphere.
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What is sustainable development?
It is a way for people to use resources without the resources running out. ...
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Name the effects of global warming.
The Earth is becoming warmer every year. The glaciers are melting and may produce flood. Extreme weather such as tornados, blizzards and droughts.
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What is sustainable development?
Sustainable development refers to the growth of the population and economy in a way whcich will not lead to the destruction of the environment in the future.
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How can we save energy?
Use energy saving light bulbs, turn your refrigerator down, use your washing machine and diswasher when they are full, use clean transport,
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What are green buildings?
Buildings that consume less energy to take care the environment. they re designed to save energy.
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Why is the global warming caused?
Because the extra carbon dioxide in the atmosphere traps heat from the Earth, and it's becoming warmer every year.
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What sources of energy can we use to get electricity to protect our planet?
Renewable energy sources such as wind, water and solar energy.
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What are green roofs?
Roofs covered with vegetation to control the amount of heat that escapes from the building. They also collect water.