权威例句
The Happy Planet Index 2.0: Why good lives don’t have to cost the EarthGreening our games : running sports events and facilities that won't cost the EarthBlueprint for a greener city: growth need not cost the earthDo good lives have to cost the earth?Learning from low income countries: what are the lessons?: Health information technology need not cost the earthInterlocking Stabilised Soil Blocks: Appropriate technology that doesn't cost the earthPai Lin Li Travel: Interlocking stabilised soil blocks: Appropiate technology that doesn't cost the earthResponding appropriately to climate change may cost a lot: failing to do so may cost the earthPaediatric respiratory viral epidemics need not cost the earth.Why going green won ’ t cost the earth