Worm Bins
http://compost.css.cornell.edu/worms/basics.html
http://www.eulesstx.gov/composting/
http://www.docstoc.com/docs/19870688/Worm-Bin-Creatures-[1]-08-03-05
http://www.wormdigest.org/content/view/35/2/
http://forums.gardenweb.com/forums/verm/

Harvard Forest at Harvard University
http://harvardforest.fas.harvard.edu/

Mass Audubon at Arcadia
http://www.massaudubon.org/

Hitchcock Center for the Environment
http://www.hitchcockcenter.org/

Museum of Science, Boston
http://www.mos.org/

DLESE Teaching Boxes
http://www.teachingboxes.org/

Building Big: Interactive Engineering Labs 
http://www.pbs.org/wgbh/buildingbig/

Water on the Web: Diel temperature variation
http://waterontheweb.org/curricula/bs/teacher/diel/teaching.html

Teaching Boxes: Essentials of Weather
Lesson 2: The roles of pressure and differential heating in wind

Climate and geographical distribution of species:
http://www.springerlink.com/content/fr038224103k2158/

Earth Observatory: Global Warming
http://earthobservatory.nasa.gov/Laboratory/

EPA Teaching Resources: Water
http://www.epa.gov/teachers/water.htm

A Teacher's Guide to Water Related Lesson Plans and Materials
http://www.seametrics.com/water-lesson-plans

Measuring Water Quality
http://www.swfwmd.state.fl.us/education/kids/watermonitoring/measuring.html
http://www.global-greenhouse-warming.com/measuring-water-quality.html

Solar Cookers  
http://solarcooking.org/plans/
http://www.solarnow.org/pizzabx.htm
http://www.amazon.com/dp/B000NP8F54?smid=AVLVWG5V1W4DF&tag=nextag-sports-mp-20&linkCode=asn 

Angle of Sun Activities
http://www.waukesha.k12.wi.us/South/EarthScience/AngleOfTheSun/AngleOfTheSun.shtml

What's your angle:
http://astro.uchicago.edu/cara/southpole.edu/angle.html 

Sunrise/sunset Calculator:
http://www.srrb.noaa.gov/highlights/sunrise/sunrise.html

Measuring Seasonal Change:
http://findarticles.com/p/articles/mi_qa3666/is_199803/ai_n8798452/pg_1?tag=artBody;col1

Soil and Air temperature:
http://www.nps.gov/grko/forteachers/upload/Plot%20Study.pdf
http://biology.arizona.edu/sciconn/lessons2/Carpenter/Unit_Overview3.htm
http://biology.arizona.edu/sciconn/lessons2/Carpenter/FFStudy_Plot2.htm
http://www.learner.org/jnorth/tm/pde/PhenDataCollect.html
http://globe.gov/fsl/html/templ.cgi?measpage&lang=en

Energy Education:
http://www.kidwind.org

Inquiry Based Lesson Development
www.youthlearn.org/learning/activities/howto.asp