The Campbell-based West Valley Clean Water Authority, along with several other local agencies, is hosting an Earth Day poster design challenge, open to all K-12 students in Santa Clara County.

ALBANY — The theme for this year’s annual water conservation poster contest for middle school student is, “Water Connects Us All.” The 2026 poster theme was announced Friday by the state Department of ...

Water pollution occurs when water becomes contaminated, usually by chemicals or microorganisms. Pollution can cause water to become toxic to humans, leading to infections and health problems. Water is ...