In regions of permafrost, the effects of global warming are severe.

Global warming is a big issue that affects all of us.

The environmental issues are becoming more serious.

Environmental issues are becoming more serious day by day.

The process of terraforming is part of transforming other planets into a habitable environment for humans.

In my area, a summer festival is held every year.

This problem is very serious.

Do you understand the seriousness of this problem?

His opinion had a big influence on my decision.

That news greatly influenced his opinion.