U11. A GREEN PLANET. THE FUTURE WE WANT!

1. What areas need improvement?

• a. Pollution, oceans, trash, and plastic.

• b. Food, plants, means of transport, and energy.

• c. Cars, animals, ice melting, and global warming.

• d. Air, animals and ecosystems, cities, water, energy, waste (trash), and marine life.

2. What is important to have fresh and clean air?

• a. Greenhouse gases.

• b. Air pollution.

• c. Lots of cars in the city.

• d. No gas emissions.

3. What do we need to prevent animals from going extinct?

• a. Trees.

• b. Forests.

• c. Prevent deforestation and keep ecosystems safe.

• d. All the previous answers are correct.

4. What is necessary for our city to be eco?

• a. Plants all over the city to keep the air clean of CO2, get energy from renewable sources, good waste management, and use of bikes or electric public transport to get around.

• b. Any plants and trees, CO2 in the air, get energy from fossil fuels, do not recycle, and use cars to get around.

• c. Solar energy, wind energy, and hydro energy.

• d. None of the previous answers is correct.

5. It is a good idea to use urban farming to get our own food to prevent pollution and global warming.

• a. False

• b. True

6. In the future, cars will use renewable energy instead of fossil fuels.

• a. True.

• b. False.

• c. Cars will not exist in the future

7. How can we save water in the city or even at home?

• a. Leaving the water open while we are not using it.

• b. With a rainwater harvesting system.

• c. Preventing droughts

• d. None of the previous answers is correct.

8. Renewable energies will replace fossil fuels to prevent gas emissions and keep the air clean.

• a. True

• b. False.

• c. Renewable energies and fossil fuels are the same.

• d. None of the previous answers is correct.

9. What is waste-to-waste energy?

• a. Energy that uses a lot of energy.

• b. It does not exist.

• c. Energy produced with garbage.

• d. None of the previous answers is correct.

10. What will we need to keep oceans clean and healthy?

• a. No plastic in the sea and sustainable fishing

• b. Oceans are already clean and healthy.

• c. We cannot do anything to keep oceans clean and healthy in the future.

• d. None of the previous answers is correct.