8 Read the text and circle the correct alternatives. Temperatures around the world are rising. This is called global warming. Many scientists believe that the cause of global…

8 Read the text and circle the correct alternatives. Temperatures around the world are rising. This is called global warming. Many scientists believe that the cause of global warming is the amount of greenhouse gases in the Earth's atmosphere. Greenhouse gases are produced when cars burn fuel, when power stations burn coal to make electricity and when people burn forests like the Amazon rainforest to make fields for agriculture. hi im peter I am 16 years old and september ive got a brother called called Helen i live in london how a Greenhouse gases keep the heat from the sun inside the Earth's atmosphere and make the Earth hotter. As the atmosphere gets warmer, the ice in the Arctic and Antarctic is slowly beginning to melt. The water from this melting ice goes back into the oceans and this causes sea levels to rise. Some scientists believe that sea levels will rise by almost two metres in the next 20 years if global warming continues. 10 Write a message to an internet r with information about yourself Complete the sentences below the paragraph in exercise 9 as a We can all help the environment by doing small things to save energy. We can walk or cycle short journeys instead of going by car and we can take the bus or train for longer journeys. We can switch off electrical equipment at night and we can insulate our homes to save energy. Hi, I (name and age) I'm from (city and country) Governments can also do things to help the planet. They can limit the amount of air travel and the numbers of cars and lorries on the roads. They can make it cheaper to travel by public transport and more expensive to use private cars. I live (family and pets) a What causes global warming? I like (hobbies and interests) greenhouse gases / melting ice b What produces greenhouse gases? heat from the sun / people burning fuel c What is happening to the ice in the Arctic and Antarctic? it is slowly beginning to melt / it is rising by almost two metres d How can we help the environment? by saving energy and using public transport / by using our cars instead of walking or taking the bus e How can governments help the planet? by increasing the number of lorries on the roads / by making it cheaper to travel by public transport