Looking on the internet deeply has found these results:

relieve deteriorating environment is the most popular phrase on the web.

relieve worse environment 146,900,000 results on the web	relieve deteriorating environment 1129,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I can't think of a worse environment for a kid.	This means that the polluting emissions are still in excess of the thresholds laid down in Community law, resulting in a deteriorating environment and putting the inhabitants' health at risk. Your deteriorating environment has both natural and man made causes that are placing you in a considerable predicament. Most of the multinational corporations and international financial institutions are behind these misbegotten delays. Even though China has to cope with great social and economic inequalities and an alarmingly deteriorating environment, and even though political rights and fundamental freedoms are still very limited, it has a great deal of experience that can be beneficial to African countries.

relieve worse environment

146,900,000 results on the web

relieve deteriorating environment

1129,000,000 results on the web

More popular!

This means that the polluting emissions are still in excess of the thresholds laid down in Community law, resulting in a deteriorating environment and putting the inhabitants' health at risk.
Your deteriorating environment has both natural and man
made causes that are placing you in a considerable predicament. Most of the multinational corporations and international financial institutions are behind these misbegotten delays.
Even though China has to cope with great social and economic inequalities and an alarmingly deteriorating environment, and even though political rights and fundamental freedoms are still very limited, it has a great deal of experience that can be beneficial to African countries.