👉 Nonsustainable refers to an economic or environmental activity that is not sustainable in terms of its long-term effects on the environment and society. It means that it does not meet current needs while promoting future generations' needs, leading to a degradation of natural resources and ecological balance. In simpler language, nonsustainability involves activities that harm the planet and people who live there. Examples include deforestation, overfishing, pollution, and unsustainable resource extraction methods. These actions can lead to environmental degradation, loss of