環境問題

We insist that during the next three days you make decisions which are fair to all generations and which show an active concern for the environment

That paper of his deal with environmental problems

I know a lot about environmental problems

Many European people are aware of environmental problems

We must pay attention to environmental problems

We ought to be more interested in environmental issues

The environment was the focus of student council activities

Although the unemployment problem can't be ignored, the environment problem is also very important

Environmental problems call for quick action