Climate change is a global issue.

He is majoring in climatology at university.

This area has a unique microclimate.

I am an Earthling.

We are searching for extraterrestrial life.

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

Earth science is an important field of study for unraveling the mysteries of nature.

Palaeoclimatology is the science that studies the past climate of the Earth.

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

He is an expert in geophysics.