Discuss comprehensively the four different parts of the equation (I = P × A × T). Elaborate on the meaning of each and how they are connected to each other. For each of Population, Affluence and Technology in the equation, find a measure such as a policy implemented in the real world that works towards it. Focus on how it affected the connection between that component and its impact on the environment. Also talk about focusing on which one would have the most positive impact on lowering human impact on the environment.