Innovative by nature :: But don’t ask Suwan Kongkhunthian whether his furniture is environmentally friendly. He’s been making green products for two decades, and he gets irritated when he hears western countries lecturing the developing world about the environment. The countries that gave the world cars, polystyrene foam and polyvinyl chloride have no right to preach to others, says the managing director of Yothaka International Co Ltd, a local maker of bamboo, rattan, wicker and water hyacinth furniture.