Environmental Toxicology

Explore environmental toxicology and chemical impacts on air, water, and soil. Learn how scientists track toxins to protect human health and natural ecosystems.

Teen scientists studying how pollutants move through air, water, soil, food webs, ecosystems, wildlife, and human health in an environmental toxicology illustration.

What Is Environmental Toxicology and Why Does It Matter?

Every glass of water, every breath of air, and every meal you eat connects you to the environment around you. Chemicals move through that shared world. Some can harm living things, while others are harmless at the levels we normally encounter. Environmental toxicology is the science that studies what happens when these substances come into

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