arming on rare, common, and endangered wildlifeUnited Nations University's 'Our World 2' Climate Change Video BriefsGateway to the UN System's Work on Climate Changevteපෘථීවිය උණුසුම්වීම සහ දේශගුණය වෙනස්වීමvteTemperatures Instrumental record ·  Satellite record ·  Past 1,000 years ·  Since 1880 ·  Geologic record ·  Historical climatology ·  Paleoclimatology vteහේතුAnthropogenic Aviation ·  Biofuel ·  Carbon dioxide ·  Fossil fuel ·  Global dimming ·  Global warming potential ·  Greenhouse effect ·  Greenhouse gases ·  Land use and forestry ·  Urban heat island Natural Albedo ·  Bond events ·  Cloud forcing ·  Glaciation ·  Global cooling ·  Ocean variability (AMO ·  ENSO ·  IOD ·  PDO) ·  Orbital variations ·  Orbital forcing ·  Radiative forcing ·  Solar variation ·  Volcanism Opinion andcontroversy Scientific opinion ·  Scientists opposing the mainstream assessment ·  Climate change denial vteModels and politicsModels Global climate model Politics United Nations Framework 