The key answer of exercise 2

a)

• He changed the light bulbs in his house to energy-saving light bulbs
• changed the way he heats and powers his home
• stopped flying and got rid of the car
• walked
• used bicycles
• took public transport
• did his supermarket shopping online
• ate organic vegetables; stopped eating meat (for a month).
• His wife walked two miles to the hospital in the middle of the night to have their baby.
• They went on a twelve-hour train journey instead of taking a two-hour flight.

c)

1. He wanted to show how normal families could help to reduce their impact on the environment.
2. No. His wife had to walk to the hospital to give birth and then they had a 'nightmarish' twelve-hour journey on holiday.
3. They changed the light bulbs in their house to energy-saving light bulbs; changed the way they heat and power their home; stopped flying and got rid of the car; walked; used bicycles; took public transport; his wife walked two miles to the hospital in the middle of the night to have their baby. They went on a twelve-hour train journey instead of taking a two-hour flight.
4. Americans produce more than twice as much carbon dioxide per person than Europeans. If he can find solutions in America, then we should be able to solve the problem in Europe.
5. He plans to fly to America and then travel on public transport.
6. He is looking for solutions to the problems of how societies can reduce their carbon emissions.