Sustainable development meets present needs without compromising future generations. It has three pillars:1. Environmental sustainability (conservation, pollution reduction)2. Social sustainability (human rights, social justice)3. Economic sustainability (sustainable growth, poverty reduction)Challenges include lack of awareness, limited resources, and resistance to change.Improve interest through:- Education and awareness- Community engagement- Incentives and rewards- Leadership and policy- Media and storytellingIndividual actions:- Reduce energy consumption and waste- Use public transport- Support sustainable brands- Conserve waterCollective impact:- Advocate for policies- Support organizations- Invest in sustainable infrastructure- Demand sustainable products.