By Lorna Tan, Finance Correspondent

After spending many years as the face of luxury watch retailer The Hour Glass, Mrs Jannie Tay has turned her attention to another mission where time is even more precious - global warming.

Last year, Mrs Tay, 63, set up a private firm called Save Our Planet Investments, which has established a foundation with the aim of planting a billion trees around the world over the next 10 years.

Some might say a target like this is just too lofty, but the Save Our Planet Foundation has already planted one million trees in China.

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