Plibersek hits global stage at ocean forum
Tanya Plibersek will have her first chance to demonstrate Australia's green leadership ambitions at a UN conference on ocean conservation in Portugal.
water pollution
Australia backs global plastics pact
Australia and other nations have agreed to pursue a binding treaty to deal with the plastics crisis but the process is expected to be complex and contentious.
Aussies put price tag on sea debris crisis
Australian researchers say the mass of rubbish in the world's oceans is costing the global marine economy $A30 billion a year. And that could be just the start.