Talk:Kirk Johnson (scientist)

External links modified
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I have just modified one external link on Kirk Johnson (scientist). Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20140301004114/http://www.yale.edu/graduateschool/publications/news/201211/alum-johnson-smithsonian.html to http://www.yale.edu/graduateschool/publications/news/201211/alum-johnson-smithsonian.html

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Climate change
Which is more sustainable for life a two mile thick ice sheet covering 1/3 of North American or a sea level rise that would require coastal communities to build sea walls or dikes to allow coastal habitation? 75.53.218.20 (talk) 03:15, 16 June 2022 (UTC)