EVERYDAY SCIENCE

Detailed explanation-1: -The correct answer is OPTION 1: Buying.

Detailed explanation-2: -Unsustainable development occurs when present progress is at the expense of future generations. For example, irresponsible planning and environmental degradation through exploitation of resources generates waste and pollution that damages ecosystems. Such practices are not sustainable in the long term.

Detailed explanation-3: -Moral reasons exist for protecting natural systems and the organisms that inhabit them. Sustainability does not address these ethical issues, except indirectly to the degree of leaving a habitable planet for future generations.

Detailed explanation-4: -In short, something is sustainable if it can be maintained indefinitely and something is unsustainable if it cannot be maintained indefinitely. But beyond that, sustainability is defined within the three pillars of our environment, society, and economy – and here, the differences are more nuanced.

Detailed explanation-5: -Economy, society, and environment is NOT one of the three areas of sustainability.