Do you think planting more trees would make this problem better or worse?

1. Power plants that produce electricity often release CO2 into the atmosphere, which can be dangerous for animal life.

Do you think planting more trees would make this problem better or worse? (Either answer could be correct, but you need to back it up with good evidence and reasoning.)

2. Many scientists are concerned because CO2 levels in the atmosphere appear to be increasing.

If this happens, how do you think plants and the atmosphere will affect each other? Make sure you include both respiration and photosynthesis in your answer.