Sustainability can be broadly defined as meeting the needs of the present generation without compromising the ability of future generations to meet their own needs.
Globally there is an escalating concern about the fact that we are depleting nature’s resources at a much faster rate than can be replenished naturally. What is of most concern is that as scientists review and compare the data from the past 50 years, they have concluded that we are at a critical tipping point regarding the impact of human globalization on our ecosystems.