Since 1992, I've built a very large resume of print and online articles as well as blog posts and web articles on a wide range of topics. The following represents a small selection of my online work; please feel free to contact me for additional samples. 

For Adults:

Articles on Business Management in TUTS+ 
Articles on Green Home Living in 
Articles on Autism Spectrum Disorders in 
Articles on Earth observation from space in (a publication of the IEEE, sponsored by NASA) 
Articles on travel in
Articles on iPhone Photography at

For Youth:

Articles in Trout Unlimited Stream Explorers Magazine (articles and activities focused on coldwater conservation)