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

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

His stress is one cause of his health problems.

Today is a particularly warm day, isn't it?

This room is filled with his warmth.

Earth is one of the planets in the solar system.

He has the ability to change into a wolf.

We heat our house with natural gas.

It can't be helped, I was late.

Your proposal requires my consent.