claim: global temperatures have risen between 0.23F ( 0.13C ) and 0.34F ( 0.19C ) per decade
evidence: In contrast to East Antarctica and the Antarctic Peninsula, temperatures on West Antarctica have increased significantly with a trend between 0.08 °C ( 0.14 °F ) per decade and 0.96 °C ( 1.7 °F ) per decade between 1976 and 2012.