Conservation Action Network - An electronic advocacy network that enables you to obtain concise information and take action quickly on issues such as endangered species, global warming, and many others.
Dr. Beach: America's Best Beaches - Dr. Stephen P. Leatherman, Professor and Director of the International Hurricane Center at the Florida International University, is the foremost authority on beach quality and coastal erosion studies.
Ecovolunteer - a program that unites volunteers with wildlife conservation projects worldwide.
EPA - Global Warming Site - site provides extensive information on the problem of global warming. It discusses how greenhouse gas causes global warming, affects the climate and impacts many other things such as health, agriculture, and forests. The climatic change impact is presented for all 50 states.
Global Warming Site: EPA - "We strive to present accurate information on the very broad issue of climate change and global warming in a way that is accessible and meaningful to all parts of society - communities, individuals, business, public officials and governments."
Keep the Wild Alive - View the migration routes of whooping cranes, golden-cheeked warblers, humpback whales, and Kemp's ridley sea turtles; or see various aspects of stages of several species' life cycles.
National Geographic Magazine - National Geographic provides free maps, photos, videos and daily news stories, as well as articles and features about animals, the environment, cultures, history, world music and travel."
NOAA - National Oceanic and Atmospheric Admin. Home Page
PlanetDiary - guide to "natural phenomena and environmental events" occurring all over the world
Pulse of the Planet - The online companion to the radio show of the same name, Pulse of the Planet is what the Earth sounds like. Each weekday, the show "provides its listeners with a two-minute sound portrait of Earth, tracking the rhythms of nature and culture worldwide and blending interviews and extraordinary natural sound."
Rainforest Alliance, The - "Our mission is to develop and promote economically viable and socially desirable alternatives to the destruction of this endangered, biologically diverse natural resource."
Trust for Public Land - "The only national nonprofit working exclusively to protect land for human enjoyment and well-being. TPL helps conserve land for recreation and spiritual nourishment and to improve the health and quality of life of American communities."
USDA Forest Service - Site is a portal to the official Websites of the 155 National Forest Lands and 20 National Grasslands across the country. You can browse the listings via an interactive map, by name, state, or region.