Great site for general information on many of these pesky things that cause a variety of problems for humans and other animals. Might be a little bit beyond younger children. An organized effort to reduce, reuse, and recycle. Current topics include bald eagles, california condors, etc. Miami Museum of Science Check out the info on the current topic of interest.
Recent issues cover health, sports, technology, and people.
Home A magazine for kids, by kids. Here's a cool page. Aside from the obvious advertising, kids can learn a lot about how crayons and markers are made. Hershey's The virtual chocolate fix. Blockbuster Video Cool info on current videos.