SYDNEY -- China and Australia are trading blows again in rapid-fire fashion, taking their already fraught relationship to new lows and undermining even academic cooperation on a problem as universal as climate change.
Beijing's Commerce Ministry this week lodged a complaint with the World Trade Organization over old Australian tariffs on railway wheels, wind turbines and stainless steel sinks, days after Canberra went to the WTO over China's 200% tariffs on Australian wine.
