珀斯市爱德华国王纪念医院的巴里?沃尔特斯教授介绍说，相反，采取避孕和节育措施的人将有资格获得“碳信用”奖励。

• In contrast, contraceptives and sterilization procedures would be eligible for carbon credits, suggested Professor Barry Walters at the King Edward Memorial Hospital in Perth.