David, a 10th grade student with roll number 5 attends GMSSSS school in Jahajpul. The document discusses basic science for sustainable development, its challenges and prospects. It defines basic science as mathematics, physics, chemistry and biology. Sustainable development is defined as economic development without depleting natural resources, and is needed to protect the environment, mitigate climate change and achieve UN sustainable development goals. Its benefits include ensuring a better life for present and future generations while lowering pollution. Challenges include climate change, poverty, inequality and unsustainable consumption. Prospects lie in green energy, sustainable agriculture, smart cities, education, sustainable transportation and a circular economy.