Green isn’t always clean: Rethinking urban tree plantation for cleaner air

Tree plantation drives are often seen as a simple yet powerful way to help the planet. From enhancing human well-being to mitigating climate change and curbing urban air pollution, trees are viewed as green allies. But did you know that not all trees are equal when it comes to air quality?

Some species release chemicals called volatile organic compounds (VOC) in significant amounts, which can react in the atmosphere and worsen air pollution under certain conditions, particularly in urban areas with high vehicular emissions. Therefore, cities already battling severe air pollution should follow the ‘Right Tree, Right Place’ approach so that these well-intentioned efforts do not do more harm than good.

Read the full article to explore why thoughtful tree selection matters for cleaner, healthier air.