Open the brackets using Present Simple or Present Continuous.

1. Human beings are destroying our planet now. 2. People often do not care about the environment. 3. Everyone knows that the Earth is becoming warmer because there is too much carbon dioxide in the atmosphere nowadays. 4. Habitat is the place where animals and plants find food, water, and shelter. 5. They are trying to do their best at the moment to help the environment. 6. Acid rains regularly fall in the region because of air pollution. 7. Polluted air consists of fog and smoke.