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Could chip fat help dirty shipping clean up its act?

Image copyright Getty Images Image caption Chip fat and other vegetable oils can be turned into fuel for cargo ships The global shipping industry is as big a contributor to greenhouse gas emissions as aviation. And the heavy fuel oil that powers its giant vessels is exceptionally dirty – packed …

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Ian Kiernan: The man who wanted to clean up the world

Image copyright Fairfax Media/Getty Images Image caption Ian Kiernan founded a global anti-litter campaign Prominent environmentalist Ian Kiernan, the founder of an iconic Australian anti-litter campaign that expanded into a global success, has died aged 78. The round-the-world yachtsman began the Clean Up Australia and Clean Up the World campaigns …

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What do astronauts and one in five women have in common?

Image copyright Getty Images For thousands of years, nutrition has been a driving factor behind the success or failure of human exploration. This is particularly true in the case of space flight. It is vital to prevent the astronauts from becoming malnourished during missions, which often last months. But modern …

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