Earth summit: Rio report card.
Jeff
J
Tollefson
Natasha
N
Gilbert
D000818:Animals; D044822:Biodiversity; D001938:Brazil; D002245:Carbon Dioxide / Q000032:analysis; D003226:Congresses as Topic / Q000266:history / Q000639:trends; D003247:Conservation of Natural Resources / Q000191:economics / Q000266:history / Q000706:statistics & numerical data*; D003889:Desert Climate / Q000009:adverse effects; D019049:Developed Countries / Q000191:economics / Q000706:statistics & numerical data; D003906:Developing Countries / Q000191:economics / Q000706:statistics & numerical data; D058735:Environmental Policy / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence / Q000639:trends; D053476:Extinction, Biological; D049673:History, 20th Century; D049674:History, 21st Century; D007391:International Cooperation / Q000266:history; D010126:Ozone / Q000266:history; D011057:Politics; D059205:Renewable Energy / Q000191:economics / Q000706:statistics & numerical data; D014480:United Nations
D002245:Carbon Dioxide; D010126:Ozone