Sustainable development aims to meet the needs of the present without compromising the ability of future generations to meet their needs. It requires balancing social, economic, and environmental considerations. Examples of sustainable development projects include using solar and wind energy, practicing crop rotation in agriculture, and building more sustainable cities and infrastructure. The document outlines 17 Sustainable Development Goals related to issues such as eliminating poverty and hunger, ensuring access to education and healthcare, achieving gender equality, providing clean water and sanitation, increasing access to renewable energy, making cities more sustainable, responsible consumption, and combating climate change.