| http://www.w3.org/ns/prov#value | - From CSIRO: ???What we learned is that in spite of droughts, floods, volcano eruptions, El Ni??o and other events, the Earth system has been remarkably consistent in regulating the inter-annual variations in atmospheric carbon dioxide levels,??? Tropical ecosystems regulate variations in Earth???s carbon dioxide levels Rising temperatures, influenced by natural events such as El Ni??o,???
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