https://www.khanacademy.org/science/grade-7-science-tx/xe25057200abc6bd6:water-and-human-activities/xe25057200abc6bd6:watersheds-and-human-activity/v/freshwater-use-and-conservation 2026-06-30T14:20:41.927190319Z Freshwater use and conservation Only about 2.5% of Earth's total water is freshwater, but it is essential for daily life, agriculture, and industry. Most freshwater is used to grow food, while growing populations and pollution put pressure on water availability. Because water resources be used faster than it can be replenished, conserving water and using it wisely helps protect this limited resource. Wieteke Holthuijzen video https://cdn.kastatic.org/ka_thumbnails_cache/c23891e6-db49-402c-9799-0c2f530cef92_1280_720_base.png Freshwater use and conservation Only about 2.5% of Earth's total water is freshwater, but it is essential for daily life, agriculture, and industry. Most freshwater is used to grow food, while growing populations and pollution put pressure on water availability. Because water resources be used faster than it can be replenished, conserving water and using it wisely helps protect this limited resource. https://cdn.kastatic.org/ka-youtube-converted/6N-W1guncoo.mp4/6N-W1guncoo.mp4 268 Watersheds and human activity https://www.khanacademy.org/science/grade-7-science-tx/xe25057200abc6bd6:water-and-human-activities/xe25057200abc6bd6:watersheds-and-human-activity/a/freshwater-resources-and-watersheds 2026-06-30T14:20:41.927190319Z Learn: Freshwater resources and watersheds Learn about Earth's freshwater resources, how water moves through watersheds, and groundwater and aquifers. article https://www.khanacademy.org/science/grade-7-science-tx/xe25057200abc6bd6:water-and-human-activities/xe25057200abc6bd6:watersheds-and-human-activity/a/watersheds-and-human-activities 2026-06-30T14:20:41.927190319Z Learn and try: Watersheds and human activities Learn about how people use and depend on watersheds, how human activities can harm groundwater and surface water, and how watersheds can be protected and restored. article https://www.khanacademy.org/science/grade-7-science-tx/xe25057200abc6bd6:water-and-human-activities/xe25057200abc6bd6:watersheds-and-human-activity/e/understand-watersheds-and-human-activity 2026-06-30T14:20:41.927190319Z Understand: Watersheds and human activity Check your understanding of watersheds and human activity in this set of free, standards-aligned practice questions. Wieteke Holthuijzen exercise https://www.khanacademy.org/science/grade-7-science-tx/xe25057200abc6bd6:water-and-human-activities/xe25057200abc6bd6:watersheds-and-human-activity/e/apply-watersheds-and-human-activity 2026-06-30T14:20:41.927190319Z Apply: Watersheds and human activity Apply your understanding of watersheds and human activity in this set of free, standards-aligned practice questions. Wieteke Holthuijzen exercise