W. Dale Clark (Main) Library | 215 S. 15th Street, Omaha NE, 68102 | 402-444-4800
Subject Index: Sciences & Math: Earth Science

Volcanos
How Volcanoes Work - This site describes the science behind volcanoes using animation and images. Sponsored by NASA.

USGS Volcano Hazards Program - has weekly reports of current volcanic activity.

Ring of Fire
Hawaiian Volcano Observatory Ring of Fire
 

Typhoons, thunderstorms, and hurricanes
Perfect Disaster (Discovery Channel) - An engaging website with historic disaster puzzles where visitors can piece together Pompeii and the mighty Maryland tornado from 1899 and enter a virtual tornado. Not for the faint of heart.

Botany (plants)
Flora of North America: This site is a comprehensive collection of all North American species of plants. It provides names, synonyms, economic uses, conservation status, and other information on each plant.

About.com Guide to Botany - Searchable site, or select information on different botany subjects.