Sustainability means meeting our present needs without harming the ability of future generations to meet theirs. It focuses on protecting the environment, using natural resources wisely, and maintaining balance in nature. Sustainable practices include reducing waste, recycling, saving water and electricity, planting trees, and using renewable energy like solar and wind power. It also encourages responsible farming, clean food production, and fair use of resources so that everyone has equal opportunities to live well. Sustainability is important because it helps fight climate change, protects animals and forests, reduces pollution, and ensures a healthy planet. By adopting sustainable habits, individuals and communities can contribute to a cleaner, safer, and greener world, creating long-lasting development for all.