Climate change. Experts urge speedup to mine 'archives'.
Koenig
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D000818:Animals; D002980:Climate; D003063:Cnidaria / Q000502:physiology; D003247:Conservation of Natural Resources; D017752:Greenhouse Effect; D006801:Humans; D007053:Ice; D007391:International Cooperation; D009792:Oceans and Seas; D013048:Specimen Handling / Q000379:methods*; D013696:Temperature; D013997:Time Factors; D014197:Trees / Q000254:growth & development / Q000502:physiology
D007053:Ice