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... world, one such example is the Water Efficiency Labelling and Standards Scheme (WELS) used in Australia. Use dishwashers only when they are fully loaded and on the economy cycle. Replace single flush ...
... Malthusian catastrophe), while John Stuart Mill hypothesized that the "stationary state" of an economy might be something that could be considered desirable, anticipating later insights of modern ecological ...
... content of energy sources is also needed. A sustainable energy economy thus requires major commitments to both efficiency and renewables.  ...
Using improved aerodynamics to minimize drag can increase vehicle fuel efficiency. Reducing vehicle weight can significantly also improve fuel economy. More advanced tires, with decreased tire to road ...
... supply of recyclates is to ban the disposal of certain materials as waste, often including used oil, old batteries, tires and garden waste. One aim of this method is to create a viable economy for proper ...
Taxonomy by Zaragoza Online