Peningkatan keasaman air laut: Perbedaan antara revisi

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| access-date=2013-12-01
| archive-date=2011-01-24
| archive-url=https://wayback.archive-it.org/all/20110124023417/http://www.unep.org/publications/ebooks/emissionsgapreport/
| dead-url=yes
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|year=2011