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World Wildlife Fund - The leading organization in wildlife conservation and endangered species.

The National Geographic Channel is the home for the best animals, nature, history, science, engineering, people, places, and exploration content on your television, PC, and mobile device.

Groundbreaking developments in science, space, technology, health, and the environment

On belay. Get ready to climb at About.com

With more than 300 eco-trips to over 45 worldwide destinations for nature and culture explorations. Specializing in small groups, family travel and customized trips with expert guides on active itineraries.

Hundreds of fun educational games and activities for kids to play online. Topics include math, geography, animals, and more.

Utalii Travel and Safari specializing in tanzania wildlife safaris and detailed tours of all National Parks and game reserves, Beach Holidays in Zanzibar, Pemba and Mafia Island. Kilimanjaro and Meru Mountains Trekking, Usambara, Udzungwa and Uluguru...

From Britannica, explore the most trusted online kids encyclopedia for homework help and general knowledge information on a variety of subjects like science, history, the arts, math, etc.

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.