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Since the 1970s, the Reef has been a site where Australian environmental policy has flourished, mirroring global environmental policy seeking to 'balance' human activity through 'ecologically sustainable development'. The article examines the parallel and intersecting processes of modern environmental policy and news media practice in the context of the Reef to unveil how Australia's news media are communicating critical moments in the protection of the Reef. Through two key conservation moments – the 1981 World Heritage Listing and the 2012 threat to place the Reef on the List of World Heritage in Danger – the article examines the role of news media in different geographic contexts, highlighting the complex politics of protection from early conservation campaigns to the contemporary era of protecting the Reef in the context of global environmental crisis. We identify how ecologically sustainable development discourses can be used to communicate positions that challenge and discredit policy initiatives aimed at protecting natural environments. [ABSTRACT FROM AUTHOR]

Abstract There is growing recognition that coastal water quality is interdependent with agricultural management in coastal catchments. Economic-incentive-based instruments can be used to internalize the negative externalities from coastal water pollution. Bio-physical and socio-economic heterogeneity across farms is expected to be an important factor in explaining differing rates of adoption of management practices. This paper hypothesises that: i) different types of farmers are likely to respond differently to incentive payments that promote the adoption of management practices for Great Barrier Reef water quality improvement, and ii) if policy makers account for heterogeneity, cost-effectiveness of incentive payments will increase. Results show that if government paid farmers 100% of the transition costs of moving from their current practices to improved practices, and given current technologies, water quality improvement for the case-study region would be approximately 56% (measured as a reduction of dissolved organic nitrogen at the end of river). Total costs for the region would be almost AU$ 30 M over the planning horizon of one cropping cycle of 6 years. Results furthermore show that as the policy seeks more ambitious land-use changes, from common practice to improved practice to aspirational practice, the public cost of incentive payments increase at an exponential rate. Larger farms make the shift sooner as they are able to offset fixed investments against increased revenues over greater areas. [ABSTRACT FROM AUTHOR]