Photograph of the Grand Canyon in Arizona.

Frequently Asked Questions (FAQ) about Earth Science

Find quick answers here to frequently asked Earth science questions. More answers will be added regularly.

Last updated August 11, 2022.

Image above: The Grand Canyon, Arizona. Photograph by Jonathan R. Hendricks.

Climate and Energy





Does the ozone hole cause global warming?


Answer
Image


Is climate change too big or too far along to be stopped?


Answer
Image

What is the IPCC?


Answer
Image

Is the Sun causing global warming?


Answer
Image

Are volcanoes causing global warming?


Answer
Image

Are orbital changes causing global warming?


Answer
Image

Why is sea level rising?


Answer
Image

Scientists say that the Earth's climate is changing much faster now than in the past. How do scientists know about past climates on Earth?


Answer
Collage of images of different climate proxies: sediment cores, ice cores, clam shells, tree rings, fossil midges, and fossil leaves.