All explainers
Explainer
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Ten Signs of Global Warming
Ten ways climate change affects our planet.
Explainer
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Cumulative Impacts Policies
In the real world, no one is exposed to one pollutant from one source at a time. Cumulative impacts policies seek to address multiple exposures to pollutants and sources of pollution.
Explainer
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How Radiation Interacts with the Human Body
Radiation is absorbed by humans in many ways, and can harm the human body in the short and long term.
Explainer
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Health Impacts of Radiation Exposure
Radiation is associated with a wide range of adverse health outcomes, including acute radiation sickness, burns, cancer, cardiovascular disease, or even death.
Explainer
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Where Radiation Comes From
Human-made sources of radiation have increased since the 1940s in the environments people live in and near.
Explainer
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Understanding Radiation
Radioactive materials are elements that spontaneously break apart, or “decay,” into lighter elements over time. Radiation is energy that’s released during that process—and it’s can be dangerous.
Explainer
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Diesel Engines & Public Health
With mounting evidence that diesel exhaust poses major health hazards, reducing diesel pollution has become a public priority.
Explainer
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The Truth about Tyson
For too long, Tyson Foods has gotten away with putting farmers out of business, exploiting workers, poisoning our water and land, and gouging consumers.
Explainer
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Fissile Materials Basics
A discussion of uranium and plutonium and their role in nuclear weapons.
Explainer
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All About EV Battery Recycling
Recycling could meet a measurable amount of demand for battery materials as more EVs come on the road.
Explainer
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North Korea Basics
Nuclear warheads, long-range missiles, and a combative leader. What are the options?
Explainer
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What’s Wrong with Fossil Fuel–Based Fertilizer?
Massive overapplication of nitrogen fertilizer in agriculture damages soil, causes pollution, and contributes to climate change.