{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"72e28392c5277c82fde71d8652852e9e25aca61d8692b1d174b6d0b750e650eb","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"61ef5aaab5e5b8345ddfacacb710d1c29a5520e659d5b59a2a3d1542383ccd93","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"earth.climate-sensitivity","field":"earth","n":"1","review_cite":"S. C. Sherwood, M. J. Webb, J. D. Annan and 22 coauthors, An Assessment of Earth's Climate Sensitivity Using Multiple Lines of Evidence, Reviews of Geophysics, 2020","review_link":"https://doi.org/10.1029/2019RG000678","review_verified":"true","summary":"Climate sensitivity is how much Earth eventually warms if the CO2 in the air doubles. The answer is uncertain mostly because nobody knows well how clouds will change as the planet warms.","title":"Equilibrium climate sensitivity and cloud feedbacks","topic_ref":null,"why":"The sensitivity sets the warming expected from any emissions path and so the cost of climate policy."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"9825ae6297d7163c036f24262af4c46a63835d02712ce8b2f6de7b3820ec47e6","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"9e22928a01c246499bbc0de6c8903e713e4203e72deba891529d4996a1ede90c","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"fOqQcqOoFFB69dyEbFQCDQ_m0fQ7VR_yVY-uWA3ZUrtFvdY9kfElVCZGze6FR5HTCVPWrH5V3d_Mba6BzV4lAQ"},"schema":"pubphys.envelope/1"},"record_hash":"9825ae6297d7163c036f24262af4c46a63835d02712ce8b2f6de7b3820ec47e6","leaf_index":196}