The mechanism is named after a faulty analogy with the effect of solar radiation passing through glass and warming a greenhouse , but the way a greenhouse retains heat is fundamentally different as a greenhouse works by reducing airflow , isolating the warm air inside the structure .
The mechanism is named after a faulty analogy with the effect of solar radiation passing through glass and warming a greenhouse . 
 The way a greenhouse retains heat is fundamentally different , as a greenhouse works by reducing airflow and retaining warm air inside the structure .