All explainers
Explainer
Who's Responsible for Nuclear Power Safety?
Who makes the decisions that affect nuclear safety? The NRC, Congress, state and local governments, and the nuclear industry...
Explainer
Carbon Pricing 101
When carbon emissions cost money, we produce less of them—but there's more to the story.
Explainer
The Planet’s Temperature is Rising
The Earth is quickly becoming hotter. How do we know?
Explainer
Better Food Policy for Kids
School lunch programs are helping kids eat healthier. Let's make these programs stronger.
Explainer
Biodiesel Basics
Biodiesel is a growing part of our fuel supply, but its potential as a solution depends on what it’s made from.
Explainer
How Does Missile Defense Work?
What if North Korea or Iran launched a nuclear missile aimed at the United States? Could we prevent it from arriving?
Explainer
Chemical Safety: An Urgent Need for Science-Based Protections
Our world is full of chemicals, and some of them are hazardous to our health or to the environment. We need smart, effective policies to help us minimize these risks--and that means policymakers need to listen to scientists, not industry lobbyists.
Explainer
Ensuring Public Access to the Unsweetened Facts
To make smart decisions about added sugar and their health, Americans need to know what the science says.
Explainer
Science and Racial Equity
In general, people of color have received fewer of the benefits from scientific advances and borne more of the destructive consequences
Explainer
The Hidden Costs of Fossil Fuels
The true costs of coal, natural gas, and other fossil fuels aren’t always obvious—but their impacts can be disastrous.
Explainer
Does air pollution affect global warming?
FAQ - does air pollution--specifically particulate matter (aerosols)--affect global warming?
Explainer
What is Tight Oil?
Tight oil is an emissions-intensive source of unconventional oil—and production is ramping up.