# Environmental Science (ENVS) courses Gavilan College · 2026-2027 Catalog · 1 courses Source: https://gavilan.curriqunet.com/catalog/iq/4259/4260/4289 "Offered" lists sections in this catalog year's class schedules: Summer 2026, Fall 2026, Spring 2027. ### ENVS 1 — Introduction to Environmental Science - **Units:** 4 - **Offered:** Fall 2026, 1 section (/c/gavilan-college/schedule/fall-2026/envs.md); Spring 2027, 1 section (/c/gavilan-college/schedule/spring-2027/envs.md) - Grading: Standard Letter Grade An introduction to the scientific principles and problem solving techniques used to evaluate the effects of human activities on different ecosystems. Topics will include the sustainability and stewardship of various ecosystems, environmental hazards such as air and water pollution, waste disposal, pesticides and herbicides, the impact of commercial and industrial activities, as well as population and urbanization. Basic chemistry, physics, and geology will be used throughout the course to explain and expand on these topics. The concepts will be reinforced with an integrated service learning laboratory program. This course was previously listed as ES 1.