The Intergovernmental Panel on Climate Change (IPCC) is the United Nations body for assessing the science related to climate change.
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The UNESCO Convention on the Protection of the Underwater Cultural Heritage (2001): “Underwater cultural heritage” means all traces of human existence having a cultural, historical or archaeological character which have been partially or totally underwater, periodically or continuously, for at least 100 years…», Art. 1, para. 1(a)