Question

some cities have reduced waste. there is less pollution in those places. consequently ← joining word use the joining word to connect the ideas. your response may be one sentence or two.

Explanation:

The word "consequently" is used to show a cause - and - effect relationship. The cause is that some cities have reduced waste, and the effect is that there is less pollution in those places.

Answer:

Some cities have reduced waste; consequently, there is less pollution in those places.