摘要
The Rio+20 UN Conference on Sustainable Development in Rio de Janeiro, a 20-year follow-up to the 1992 Earth Summit, provided a historic opportunity to define pathways to a sustain- able future--a future with more jobs, more clean energy, greater security and a decent standard of living for all. It aimed to carry forward the established agenda and forge ahead into the future.
The world should adhere to sustainable development despite challenges and obstacles The Rio+20 UN Conference on Sustainable Development in Rio de Janeiro,