Changing Climate
Science

The mainly human-caused rise of the average temperature of the Earth's climate system
Global climate change
The mainly human-caused rise of the average temperature of the Earth's climate system. Global climate change. It refers to the long-term changes in Earth's weather patterns, mainly caused by human activities like burning fossil fuels.

A section of a naturally-occurring substance, such as sediment or rock
Sediment core
A section of a naturally-occurring substance, such as sediment or rock. Sediment core. A sediment core is a cylindrical sample taken from the ground to study layers of soil, rock, or ice and learn about Earth's history.