Not everybody who benefits from a public good contributes to its creation or maintenance. Learn about free riders.

Command-And-Control Regulation: The simplest kind of regulation is to just tell people what to do. This has downsides, though.

This article deals with global warming and its possible consequences on climate and terrestrial ecosystems.

Let's look at some real examples of public goods.

Read about the three main types of market-oriented regulation, including pollution charges, marketable permits, and better-defined property rights

Unfortunately, it's not possible for a country to maximize both its environmental protection and its economic output. Each country must make a decision about how the two goals should be balanced and how to achieve that balance.

Read about specific examples of environmental laws in the United States.

Innovation often benefits many people, not just the person or company that innovated.

When you teach somebody, they and society both benefit from training and education. What's in it for you?