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"Global leaders ended a U.N. development summit on Friday with what was widely considered a lackluster agreement, leaving many attendees convinced that individuals and companies, rather than governments, must lead efforts to improve the environment."

"On the final day of the UN sustainable development summit in Rio, UN chief Ban Ki-moon has urged governments to eliminate hunger from the world."

"RIO de JANEIRO -- More than 100 heads of state and government [Wednesday] gathered in Rio de Janeiro for the start of the United Nations Conference on Sustainable Development, Rio+20. The summit seeks to shape new policies to promote global prosperity, reduce poverty and advance social equity and environmental protection in the face of warnings that the ecological basis of life is coming undone."

"Diplomats from over 190 countries agreed on a draft text on green global development on Tuesday to be approved this week at a summit in Rio de Janeiro, but environmentalists complained the agreement was too weak."

"Brazilian negotiators have been accused of using strong-arm tactics at Rio+20 to secure a deal before heads of state start arriving for the Earth Summit later this week."

"Negotiators from developing countries insist wealthy nations must help fund their move to sustainable development"

"RIO de JANEIRO -- President Dilma Rousseff today opened Rio +20, the UN Conference on Sustainable Development, at Brazil's giant pavilion in Athletes Park opposite Riocentro, the main seat of the conference meetings."