1. Global warming
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2. Global warming
Global warming is the gradual increase in the temperature of the Earth’s atmosphere because of the green house effect.
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3. Greenhouse effect
Greenhouse effect is actually a natural feature of our atmosphere without which life on our planet would be impossible.
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4. Air pollution
When we burn fossil fuels like coal, oil and gas, we produce too much carbon dioxide(CO2). This CO2 collects in the atmosphere and trap too much heat.
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5. Is global warming dangerous?
Most scientists agree that global warming is very dangerous. We can already see many changes:
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6. 1. Temperature
Average temperatures around the world are rising. This causes melting of permafrost.
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7. 2. Ice melting
Arctic ice is quickly disappearing. Snow cover on the Earth’s surface has reduced by 10% since 1960s.
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8. 3. Arctic animals
Polar bears and other animals are already suffering from the loss of see ice. They are going hungry as they have to wait on land for the ice to reform and allow them to hunt.
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9. 4. Glaciers
Glaciers and mountain snows are quickly melting. The flow of ice from glaciers in Greenland has more than doubled over the past decade.
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10. 5. Hurricanes
The number of strong hurricanes over the ocean has almost doubled in the last 30 years.
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11. 6. Drought
The number of heat waves, droughts and wildfires is increasing
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12. 7. Other animals
At least 279 kinds of plants and animals are already responding to global warming, moving closer to the poles.
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13. What will happen if our planet continues to get warmer?
Sea levels will rise and cities on coasts will disappear under the water.
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14. What can you do?
Small changes to your daily life can really help to stop global warming.
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15. Possible solutions Use energy- saving light bulbs.
Put on a sweater when you are cold instead of turning up the heater.
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16. Possible solutions
Use your washing machine or dishwasher only when they are full.
Take a shower instead of a bath.
When shopping, use a reusable bag instead of buying a plastic one in each shop.
If you have a garden, put your organic waste in a compost heap.
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17. Possible solutions
Remember that walking, cycling or taking a bus is less harmful for our planet than travelling by car.
Plant trees. A single tree will absorb one ton of carbon dioxide over its lifetime
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