Today, UNESCO works to protect the Amazon Rainforest. In 1948, UNESCO was poised to help America:
“…civilize the wild, rich Amazon and open it to colonization” —The Future of the Amazon, Scientific American, v.178, iss.5, p.11 (1948)
What other changes to our world view have occurred over the last 60 or so years? Take a look in the Scientific American archives.