Sustainable development is the principle of meeting today's needs without compromising the ability of future generations to meet their own needs, balancing economic progress, social welfare, and environmental protection. Key aspects include balancing development with resource conservation, utilizing renewable energy, promoting social equity through education and equal opportunity, and implementing policies that foster innovation and reduce consumption. The United Nations' Sustainable Development Goals (SDGs) provide a global framework to achieve this through specific targets for poverty, hunger, clean energy, and more by 2030.