This exam is a matter of life or death for me.

He is viewing that situation as a serious problem.

He views that situation as a problem.

A new approach is needed to solve this set of problems.

The main problem with this project is the lack of communication.

This question text is too difficult, it's hard to understand.

The air in this area is greatly affected by pollutants emitted from factories.

This polluted water could potentially harm our health.

Soil pollution in this area has become serious due to years of industrial activity.

Air pollution is having a serious impact on the health of the planet.