This page is full of different ideas for teachers to use on a recycling unit.
http://www.thegreenparent.co.uk/recycling-information/environmentally-friendly-home.htm
Listed are ideas students and their families can do at home to recycle.
http://www.epa.gov/epaoswer/osw/teacher.htm
Everything from experiments to a guide on teaching the 3 R's is provided. Join the Planet Protector's for a kit that provides activities, games, and mystery stories. These activities are great for teachers, parents, and children alike.
http://www.wside.k12.il.us/pes/Ecology.html
A wide variety of information is provided. K-2 are the grades this site is geared towards. Included are lesson plans, helpful hints, and a long list of literature, Internet, professional, computer, and audio/visual resources.
http://grn.com/news/newstand.htm
Provides lists of publications on numerous environmental topics. Terrific way to hunt out publications you would never see at the local newsstand.
http://www.eagle.ca/~matink/themes/Environ/recycle.html
This website has a lot of ideas on recycling and composting. There are lessson plans and classroom activities to do with your students.