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Why vulnerable coastal communities need climate adaptation Building the resilience of coastal communities through climate adaptation The “blue economy” – economic activity that relies on oceans and seas – could be worth up to US$ 3 trillion by 2030. However, climate change is putting this complex network at risk. Ocean temperatures are rising fast. As well as contributing to rising sea levels due to melting ice caps, higher ocean temperatures are also affecting the health of oceans themselves. As oceans absorb more CO2 from the atmosphere, reduced oxygen levels threaten...