Greenhouse/Polyhouses - Developing micro-climate for farmers.

Micro-climate existence in Greenhouse/Poly-house. When i was young, in school i read about Greenhouse "Greenhouse are used to trap the sun-light energy and provide warmth to grow certain specific plants in cold regions" and now when i am working with Yuktix Technologies, things are getting more clear to me. Yuktix is providing precision agriculture solutions, intelligent climate control solutions to develop specific micro-climate inside a greenhouse/poly-house. Along with this we are providing real time monitoring for greenhouse and poly-house. Well i will explain further about the solution which we at Yuktix provide, but before that i would like to discuss the benefits of a greenhouse/poly-house for a farmer or a common man and this is getting my personal attraction. So when we say what exactly is greenhouse/poly-house? I would like to first describe both of them and then i will differentiate them. Greenhouse : A greenhouse is a building or complex where