- The Lower Yellowstone Falls, Yellowstone River, taken in Yellowstone National Park, Wyoming, USA on January 1st, 2010.
- After the smoke from wildfires clears, debris flows can become a big problem. USGS Research Geologist Sue Cannon talks about how.
- Coral reefs are one of Earth's most beautiful and vital ecosystems—and they are declining at a rapid pace. Mike Field, Chief of the USGS Pacific Coral Reef Project, talks about the importance of coral reefs and how pollution, climate change, and other factors are affecting them