Organizations

Frogs are Cool - Organization which tries to get kids to not perform dissections as part of science classes.
http://www.frogsarecool.com/

Kids in Nature's Defense - Classroom newspaper for kids in grades K-6. Includes interactive clubhouse, games, Dr. Kind's answers to animal welfare questions, and resources for teachers.
http://www.kindnews.org/

ASPCA Animaland - Games, cartoons, polls, stories, and pet care guides from the American Society for Prevention of Cruelty to Animals.
http://www.aspca.org/site/PageServer?pagename=kids_home

PETA Kids - International animal rights organization explores welfare issues and suggests practical ways young people can make a difference. Includes online version of PETA's Grrr! magazine as well as information on avoiding dissection.
http://www.petakids.com/

The Kratt Club - Meet these two brothers who organized the creation a wildlife refuge, called Grizzly Gulch Creaturefuge, for bears in Montana. The entire refuge was built by kids. Includes mailing lists, appearance schedules, photos, and stories.
http://www.thekrattclub.com/

HumaneTeen - Features true stories of teen activists and clubs making a difference for animals and the environment. Part of the Humane Society of the United States, site provides tips and action alerts on how to help animals.
http://www.humaneteen.org/

Scottish Society for the Prevention of Cruelty to Animals - Resources for teachers and pupils on pets, farming and wildlife. Includes interactive features and printable worksheets, as well as links to Scottish school curriculum.
http://www.scottishspca.org/education