A greenhouse (also called a glasshouse, or, if with sufficient heating, a hothouse) is a structure with walls and roof made chiefly of transparent material, such as glass, in which plants requiring regulated climatic conditions are grown These structures range in size from small sheds to industrialsized buildings A miniature greenhouse is known as a cold frame The greenhouse effect, in turn, is one of the leading causes of global warming The most significant greenhouse gases, according to the Environmental Protection Agency (EPA), are water vapor (H2O The natural greenhouse effect The natural greenhouse effect is a phenomenon caused by gases naturally present in the atmosphere that affect the behaviour of the heat energy radiated by the sun In simple terms, sunlight (shortwave radiation) passes through the atmosphere, and is absorbed by Earth's surface
Livestock Greenhouse Gas Emissions And Mitigation Potential In Europe Bellarby 13 Global Change Biology Wiley Online Library