Grace Chua, Straits Times 24 Oct 09; MORE than 300 people will dress in blue today at the Lasalle College of the Arts to form a human tidal wave, while trees are planted in Kenya and demonstrations are held in India. In all, activists from more than 170 countries will take part in public activities to mark International Day of Climate Action. The aim is to bring down atmospheric carbon dioxide from its current 390 parts per million to 350, the highest possible concentration of carbon dioxide

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Human tidal wave to fight climate change