What is climate change?

Media playback is unsupported on your device Media captionOur Planet Matters: Climate change explained Scientists say global warming could have a catastrophic effect on the planet.Human activities have increased carbon-dioxide emissions, driving up temperatures. Extreme weather and melting polar ice are among the possible effects. What is climate change?The Earth’s average temperature is about 15C…

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Warrington make one modification as they deal with 19-time Obstacle Cup winners Wigan

Media playback is not supported on this device Warrington edge Wigan in eight-try thriller Coral Challenge CupWarrington Wolves (18) 26Tries: Goodwin, Hughes, Clark, Atkins Goals: Ratchford 5Wigan Warriors (12) 24Tries: Powell, Leuluai, Sarginson, Hardaker Goals: Hardaker 4Warrington narrowly beat Wigan in a thrilling Challenge Cup tie to book a quarter-final meeting with Hull KR.The Wire…

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