The role of urban forests in climate change

Urban forests can help to reduce a city's carbon footprint by up to 25 per cent, according to an NUS study of 7,500 cities.
Urban forests can help to reduce a city's carbon footprint by up to 25 per cent, according to an NUS study of 7,500 cities.ST PHOTO: ALPHONSUS CHERN

SINGAPORE - Trees can help to cool the surroundings for urban dwellers, but how effective are they at soaking up heat-trapping carbon dioxide, the main greenhouse gas driving global warming?

As urban reforestation efforts take hold globally, a research group at the National University of Singapore (NUS) did an analysis of over 7,500 cities to find an answer.

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