What was the focus of the Rio +20 conference held in Rio de Janeiro in 2012?
a) Poverty, misery, and enrichment based on social inequalities.
b) ...
What was the focus of the Rio +20 conference held in Rio de Janeiro in 2012?
a) Poverty, misery, and enrichment based on social inequalities. b) Global warming, greenhouse effect, and CO² emissions. c) Maintaining the Earth below 2 degrees. d) Recovery of 12 million hectares of deforested forest.
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