500
Why has environmental science become more prevalent since the year 1960? What is the equation used to measure these changes, and what do the variables represent?
Population, technology, and affluence spiked. We began to realize the impact of our livelihoods and habits on our planet.
I = P*A*T
I = Environmental Impact
P = Population
A = Affluence, or per capita economic
T = Technology, or impact per unit economic activity