Write words for the definitions.

1. The rise in the average temperature of Earth’s atmosphere and oceans.

_______________

2. A gas in an atmosphere that absorbs and emits radiation within the thermal infrared range.

­­­­­­_______________

3. The removal of a forest or stand of trees where the land is thereafter converted to a non-forest use.

_______________

4. A significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years.

_______________

5. The end of an organism or of a group of organisms, normally a species.

_______________

Read the article and mark the sentences T (true) or F (false).

1. Human activities are contributing to global warming.

2. Greenhouse effect keeps the Earth cold enough to support life.

3. Deforestation is one of the main sources of greenhouse gases.

4. Decreasing of the concentration of greenhouse gases causes climate changes.

5. Greenhouse gases don’t accumulate in the atmosphere.

5. Complete the following table with the correct noun, verb or adjective forms. There are some words in the text. Use the dictionary if necessary.

Noun	Adjective	Noun	Verb
Atmoshere			Contribute
Electricity		Concentration
	Agricultural		Increase
	Growing		Create
Climate		Conversion

ENERGY SAVING

Talk to a partner.

What is energy conservation?

What is energy efficiency?

Why is it so important to save energy?

What’s the best way to save energy at home?

Which appliances use the most electricity?

In pairs, explain the highlighted words and phrases in the text.

Help World-Wide Problem By Energy Saving

There are many ways to help world-wide problem.

- You reduce the usage of air conditioner, use low voltage of electronic device and open the window to get more sunshine.

- Riding a bike or walk when travelling, it can also save energy and reduce emissions of carbon dioxide gas. When travelling far, you can choose train, bus or ship. The public transportation produces lower emission gas than the personal car.

If you use a personal car, choose a car with a small size. Small cars consume less fuel than large cars. You can also choose a hybrid car. Although more expensive, but this car exhaust lower emissions. You also can replace your vehicle fuels with biofuels. This fuel produces lower emission gas, so it is more environmentally friendly.

Currently most of the world’s energy needs, met from the fossil energy such as coal and oil. The energy sources cannot be renewed. Therefore have to do a variety of savings, to anticipate the scarcity of fossil energy. There are many alternative energy sources to replace fossil energy such as solar energy, wind energy, geothermal and utilization of organic waste to produce biofuel.

For those of you who live in area with abundant sunshine can install solar cells on your house. The use of solar panels can also save energy. Installation of solar panels is quite easy to do and does not require much maintenance. By utilizing solar panels as an energy reserve, can reduce the use of fossil energy. Besides, solar panels do not produce exhaust emissions, so it is environmentally friendly.

Reduce paper usage, can also help world-wide problem. By reducing paper use will reduce the need for the paper, so that its production will be reduced. Reduction in paper production can indirectly maintain and reduce deforestation. If the forest is maintained then global warming can be reduced.

 

Read the article and mark the sentences T (true) or F (false).

Small cars consume more fuel than large cars.

Biofuels produce lower emission gas.

Use of solar panels can save energy.

Solar panels produce exhaust emissions.

Reduction in paper production can reduce deforestation.