acknowledges Section 1.1: Observations of climate change Observed changes in climate Arctic temperatures Observed changes in climate Section 1.1: Observations of climate change IPCC (2007): Observed changes Observed changes in climate Paset 1.1: Panagpalpaliiw ti panagbalbaliw ti klima Section 1.1: Observations of climate change acknowledges Observed changes in climate Observed changes in climate Observed changes in climate IPCC (2007): Observed changes Section 1.1: Observations of climate change Section 1.1: Observations of climate change Section 1.1: Observations of climate change Section 1.1: Observations of climate change Section 1.1: Observations of climate change Observed changes in climate Section 1.1: Observations of climate change Section 1.1: Observations of climate change