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.

My boyfriend gave me a gift.

Everyone was surprised by the news.

He is traveling around the world as an ecologist.

Chameleons can change their camouflage color to match their surroundings.

Protectionist policies are introduced to protect domestic industries from foreign competition.

He committed another crime while on probation.

This sanctuary plays a crucial role as a habitat for endangered species.