Sustainable development aims to meet human needs while preserving natural systems. The document outlines the evolution and definitions of sustainable development through reports like the Brundtland Commission and Earth Summit. It discusses the needs, benefits, and goals of sustainable development, including reducing poverty and hunger while promoting health, education, gender equality, clean water and sanitation, renewable energy, economic growth, and more. Key ways to achieve sustainable development include appropriate technology, reduce-reuse-recycle approaches, environmental education, utilizing resources within carrying capacities, and improving overall quality of life.