Located in the continent of Asia, Philippines covers 298,170 square kilometers of land and 1,830 square kilometers of water, making it the 73rd largest nation in the world with a total area of 300,000 square kilometers. The Philippines became an independent state in 1946, after gaining its sovereignty from Spain.
Sustainable Practices - Land Use. The policies and practices governing land use within communities are fundamental to sustainability and protection of ground and surface water quality and quantity. Faculty and Staff.
Xeriscaping refers to the conservation of water through creative landscaping. Originally developed for drought-afflicted areas, the principles of xeriscape today have an ever broadening appeal.aves Water. For most of North America, over 50% of residential water used is applied to landscape and lawns. Xeriscape can reduce landscape water use by 50 - 75%.