A greenhouse is a building with glass walls and a glass roof. we can say Green house is a structure with walls and roof made with chiefly of transparent materials such as glass ,in which plants requiring regulated climatic conditions are grow . Greenhouses are used to grow plants, such as tomatoes ,cucumbers ,eggplant and tropical flowers. In flowers commonly Bougainvilleas , Anthurium,Angel,s Trumpets ,Mendivillla and plumerias.A greenhouse stays warm inside, even during the winter. ... Gases in the atmosphere, such as carbonu dioxide, trap heat just like the glass roof of a greenhouse. History of green houses is very old .The french botanist Charles Lucien Bonaparte is often credited with building the first practical green house in Leiden Holland during the 1800s to grow medicinal tropical plants. Nils Gustafson Ekholm was a Swedish metrologist and Easter Book,s Steve who coined the term green house effect. Five factor of green ho...