All explainers
Explainer
All About EV Battery Recycling
Recycling could meet a measurable amount of demand for battery materials as more EVs come on the road.
Explainer
North Korea Basics
Nuclear warheads, long-range missiles, and a combative leader. What are the options?
Explainer
What’s Wrong with Fossil Fuel–Based Fertilizer?
Massive overapplication of nitrogen fertilizer in agriculture damages soil, causes pollution, and contributes to climate change.
Explainer
What is Climate Loss and Damage?
Wealthy, polluting nations should pay for climate damages.
Explainer
The Supplemental Nutrition Assistance Program (SNAP)
Attacks on SNAP are rooted in persistent, divisive myths about the program. Here are the facts.
Explainer
Cars, Trucks, Buses and Air Pollution
Transportation is a major source of air pollution and the emissions that contribute to climate change in the United States.
Explainer
How Nuclear Weapons Work
At the center of every atom is a nucleus. Breaking that nucleus apart—or combining two nuclei together—can release large amounts of energy.
Explainer
Each Country's Share of CO2 Emissions
Which 20 countries emit the most carbon dioxide? The wealthiest.
Explainer
What is Nuclear Testing?
A resumption would increase the risk of nuclear war.
Explainer
The Food and Farm Bill
The massive piece of legislation commonly referred to as the “farm bill” should really be called the “food and farm bill” because of its key role in how we eat.
Explainer
Environmental Impacts of Natural Gas
This comprehensive overview details the potential environmental impacts of natural gas use and extraction, including its effects on water supplies, global warming emissions, air pollution, and wildlife.
Explainer
The Future of Natural Gas
Natural gas is not an effective long-term climate strategy.