The tragedy of the Commons, the notion, explicated by Garrett Hardin, that though we live in a Commons, individuals will practice selfish behaviours that are not in the common good and lead to overexploitation of resources.
Sustainable Development is to meet the needs of the present, without compromising the ability of the future generations to meet their needs and aspirations (Brundtland Commission definition.)
Fracking (hydraulic fracturing) of rock deep beneath the surface to release petroleum product has become a contentious subject across the globe. This practice is not to be mixed up with drilling or extraction.
Sustainable consumption is terms used to describe a consumption view that is all about ‘doing more and better with less,’ through reducing resource use, degradation and pollution while increasing the quality of life for all.