Front

The Greenhouse Effect

Back

A natural process that warms the Earth's surface.

Front

Fossil Fuels

Back

Natural fuels formed from the remains of living organisms.

Front

Renewable Resources

Back

Resources that can be replenished naturally over time.

Front

Biofuels

Back

Fuels made from living matter or organic materials.

Front

Non-renewable Resources

Back

Resources that cannot be easily replenished once used.

Front

Farming

Back

The practice of cultivating land and raising crops.

Front

Logging

Back

The process of cutting down trees for timber.

Front

Mining

Back

The extraction of minerals from the Earth.

Front

Hydropower

Back

Energy generated from moving water.

Front

Global Climate Change

Back

Long-term changes in temperature and weather patterns.