Daniel Cárdenas Cevallos Jr. uses drip irrigation systems to more sustainably tend his fields—which can distribute not only water, but crop protection agents as well, via a system of hoses with tiny holes.
Learn how drip irrigation helps conserve water as compared with traditional irrigation methods in this video from the California Academy of Sciences. This resource stimulates students’ thinking about protecting this limited resource. Students can ask questions, develop a model, and make evidence-bas
Learn the basics about water treatment, as a part of environmental chemistry. Human beings have added to the natural water cycle by taking water from rivers for use in our towns and cities. We are taking a huge amount of water from natural sources to use in our homes and industries. Lots of huma
