These focus on maximizing energy and water consumption efficiencies, limiting or eliminating the generation of solid and liquid wastes, including green house gas emissions (e.g. Green Globe 21).
这些做法着眼于最大限度地提高能源和水消费效率，限制或消除固体和液体废物的产生，包括绿色气体排放（例如21世纪绿色全球）。