EarthDay 2026 Each year on 22 April, the global community comes together to mark Earth Day, a moment to reflect on our relationship with the planet and the actions needed to protect it. The theme for 2026, “Our Power, Our Planet”, highlights the collective responsibility of individuals, organisations and communities to drive meaningful environmental change. While climate change, biodiversity loss and pollution often dominate the conversation, one critical element underpins th

Access to safe drinking water is fundamental to public health, yet ensuring water safety requires more than a single test or measurement. Water quality can be affected by a wide range of contaminants—some visible, many invisible, making it essential to monitor multiple parameters to gain a complete and accurate understanding of water safety. For organisations working in environmental monitoring, humanitarian response, or rural water supply programmes, the challenge is even gr

Heavy metals such as lead, arsenic, cadmium, chromium and mercury can enter water sources through both natural and anthropogenic processes. Weathering of mineral deposits may release metals into groundwater, while industrial discharge, mining, agricultural runoff and corroding distribution systems can...