Singapore may price its 2030 carbon tax towards the lower end of the S$50 to S$80 range, as global realities evolve. There is still time to decide, but the shift in signal should not be taken lightly, says NUS climate researcher Melissa Low. SINGAPORE:  During his Budget speech on Feb 12 , Prime Minister Lawrence Wong announced that if global climate momentum continues to weaken, Singapore may price its carbon tax towards the lower end of the S$50 to S$80 per tonne range by 2030. Putting a