Article continues below advertisementGary Numan has launched a blistering attack on Donald Trump, accusing the U.S. president of pushing the planet "ever closer to the tipping point" and dismantling vital climate protections that could help avert global catastrophe.The 67-year-old music pioneer - famed for hits such as Cars and Are 'Friends' Electric? - said he is "properly frightened" by what he sees as a dangerous disregard for environmental warnings.