One of the great strides forward was Theresa May’s net zero by 2050 – now he’s trashing it and saying it was a disaster. Miliband said Bowie was wrong to claim net zero policies would have a net cost. He said it was not clear if the Tories have any net zero target at all now. The point is net zero was a target that Theresa May adopted, driven by the science. He said it was not clear if the Tories have any net zero target at all now.