Coming soon: Hydrogen as a clean but cheap fuel – ejinsight

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Air pollution is a global problem. According to the World Health Organization, seven million people die prematurely each year due to air pollution, that is, one-eighth of deaths around the world are caused by air pollution. 繼續閱讀

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Steps to make HK walkable – South China Morning Post

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Winnie Tang says cities around the world are moving towards environments that encourage less driving, and Hong Kong must learn from them
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