• The greenhouse mechanism
• The greenhouse effect in Earth's atmosphere
• Words to Know
• Human activities and the greenhouse effect
• Effects of increasing concentrations of carbon dioxide

The greenhouse effect is a natural phenomenon that is responsible for the relatively high temperature maintained on Earth's surface and in its atmosphere. The name comes from the process by which greenhouses are thought to collect and hold heat.

The greenhouse mechanism

A greenhouse is a building in which plants are grown and kept. It usually consists of a large expanse of window glass facing in a generally southerly direction. Sunlight...