It's time to change the baby's diaper.

The wet snow began to fall, making the roads slippery.

This room has high humidity, so we need to use a dehumidifier.

The humidity in this room is high, so let's dehumidify it using a dehumidifier.

He is traveling around the world as an ecologist.

We must strive to protect the natural environment.

We should recycle to prevent environmental pollution.

We need to solve the problem in the production environment.

It took a long time to set up the development environment.

The United Nations Environment Programme is providing solutions to global environmental problems.