The Greenhouse Effect This essay is going to describe what the greenhouse effect is and what it does.It is also going to say what causes the greenhouse effect and the What is meant by the term the greenhouse effect is that the heat from the sun comes into the Earth's atmosphere and cannot get out so becomes trapped.It gets its name because this is very much like a greenhouse.This effect occurs as the incoming short wave radiation is changed when it hits the Earth's surface into long wave or infra-red radiation.Heat energy in this form is then absorbed and stored in water vapour and car