If you're particularly interested in rainwater harvesting, see these posts: "900 and Counting" on 4/28/08, "First Crop" on 4/10/08, "Ongoing Saga of the Rain Tank" on 3/2/08, and "The Debate" on 2/7/08. Vermiculture was covered 8/12/08.
Pond construction was covered in "The Heart of Our Garden" on January 22, 2008.
Funny how the smallest things in nature can give us so much pleasure. This past weekend I noticed that one of the new metalwork items in my garden had been blessed by the addition of a line of lacewing eggs.
If you're not familiar with lacewings, click here to see the Texas A&M AgriLife Extension page on this fascinating and welcome garden visitor. Delicate in appearance, they're fairly voracious and consume a long list of undesirable garden pests.