May 27, 2026 · Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.

In contrast to the natural environment is the built environment. Built environments are those in which humans have fundamentally transformed landscapes such as in urban settings and agricultural land …

Environment most often refers to: Natural environment, refers to all living and non-living things occurring naturally and the physical and biological factors along with their chemical interactions that impact on …

The global authority for the environment with programmes focusing on climate, nature, pollution, sustainable development and more.

Jun 3, 2026 · Environment, the complex of physical, chemical, and biotic factors that act upon an organism or an ecological community and ultimately determine its form and survival. The Earth’s …

Apr 27, 2026 · EPA's resources on environmental issues include research, basics, what you can do, and an index covering more specific terms.

Below is a directory/list of NGOs, charities and non-profits working on protecting environment. They run awareness campaigns for climate change and pressurize governments to adopt policies for reducing …

Dec 24, 2025 · Yerevan’s current general/master plan, approved by the city council in September 2024, lists three main causes of air pollution: massive development (construction), open-pit quarrying, and …

Explore environmental data and water resources in the Republic of Armenia. Your home for insights on Lake Sevan, sustainability, and national environmental efforts.

Mar 14, 2026 · From climate change to plastic waste, explore the key environmental challenges affecting our planet and how they’re deeply connected to each other.