|Acid Lake, Vanuatu|
Photograph by Philippe Bourseiller
You can mulch the soil around the base of plants, trees and bushes using hay, dried grass cuttings, leaves, wood shavings, chippings and so forth. Mulching also protects soil from the action of sun and wind, and helps to keep it moist.
- from the book '365 Ways to Save the Earth' by Philippe Bourseiller