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IPCC Vocabularies

Confidence levels

Class: confidence level (Q1)

• very high confidence (Q15)
• high confidence (Q2)
• medium confidence (Q16)
• low confidence (Q17)

Likelihoods

Class: likelihood (Q3)

• virtually certain (Q4)
• very likely (Q5)
• likely (Q6)
• more likely than not (Q7)
• about as likely as not (Q8)
• unlikely (Q9)

Special likelihoods:

• very unlikely (Q10)
• exceptionally unlikely (Q11)
• extremely likely (Q12)
• extremely unlikely (Q14)

Other item sets

Ecosystems

• ecosystem (Q32)
• terrestrial ecosystem (Q33)
• freshwater ecosystem (Q34)
• cryospheric ecosystem (Q35)
• coastal ecosystem (Q36)
• open ocean ecosystem (Q37)