the Earth is the only one that—as far as we know—supports life. So why is our planet alone so hospitable? In part, we owe our existence to a process called the greenhouse effect. Inside an ...

What Are Greenhouse Gases? Greenhouse gases are a group of compounds that can trap heat in the atmosphere, acting as a ...

One of the most crucial systems at work is the water cycle ... It is maintained by a natural process known as the greenhouse effect—a system that regulates Earth’s temperature and makes ...

But when applied to the whole planet, the greenhouse effect is bad news ... sunshine and rain you see from day to day. The climate is the weather seen over years and decades.

Carbon dioxide (CO 2) is a greenhouse gas. This means that it causes an effect like the glass in a greenhouse, trapping heat and warming up the inside. This effect is important: without the CO 2 that ...