Climate experts hit back at Australian politician's bizarre theory about gravity's role in global heating

Gerard Rennick met with scorn, derision and plenty of corrections over viral tweet and claim that scientists are 'cancelling gravity'Follow our Australia news live blog for the latest updatesGet our morning and afternoon news emails, free app or daily news podcastAn Australian senator has attempted to undermine the entire theory of the greenhouse effect with a bizarre viral claim that scientists have been ignoring gravity's role in heating the planet.The tweet from the Queensland senator Gerard Rennick, a member of the conservative Liberal National party of Queensland which is part of the main opposition Coalition, has gone viral this week and has been met with scorn, derision and plenty of corrections from high-profile climate scientists. Continue reading...