ClimateWire: Australia's government has voted to repeal a carbon tax on that country's biggest greenhouse gas polluters, ending one bitter domestic battle but opening up new fronts in the climate war both at home and internationally.
Diplomats negotiating a new global treaty denounced the repeal, saying Australia's move slows down their momentum. In the United States, Senate Democrats insisted Australia's actions will have no implications for President Obama's climate change regulations, while Republicans...