http://websoilsurvey.nrcs.usda.gov/app/

This is a great site to learn about the soil that supports your trees, and your home or business.  Think seriously about consulting with us about your soil before you buy property or build a home.

http://junkscience.com/

Put all politics aside.  This site provides the scientific analysis for myths and claims that affect your life.

http://etweather.tamu.edu/pet/

This is a great place to learn more about the science of irrigation.  You must know your plants before you set your irrigation timer!  Most installers don't understand your plants, and tend to water too frequently and shallowly, costing you thousands of dollars in wasted water, and greatly increasing plant failures.