Conserve natural resources – this includes using renewable resources or materials that are abundantly found on the planet.
Use natural resources efficiently – this includes using materials that require less mass to perform, using durable materials that don’t need to be replaced often, and using products that are easily reused or recycled once they have fulfilled their purpose.
Ensure emissions are non-hazardous – products need to be free of toxic chemicals whenever possible.
Have low embodied energy – meaning that products you use should require less energy to create or use renewable energy sources during their manufacture.