title: Wealth gap curbs Rio goals.
authors: Jeff
authors: J
authors: Tollefson
mesh_terms: D044822:Biodiversity; D001938:Brazil; D057231:Climate Change / Q000191:economics / Q000706:statistics & numerical data; D003226:Congresses as Topic; D003247:Conservation of Natural Resources / Q000191:economics / Q000331:legislation & jurisprudence* / Q000639:trends; D019049:Developed Countries / Q000191:economics*; D003906:Developing Countries / Q000191:economics*; D058735:Environmental Policy / Q000191:economics / Q000331:legislation & jurisprudence* / Q000639:trends; D006040:Goals; D011203:Poverty / Q000191:economics / Q000706:statistics & numerical data