"You have heard that 350 GL offers a "low likelihood" of establishing the River Murray as a healthy working river, 750 GL a "low-to-modems likelihood, and 1,600 GL a "moderate" likelihood". "The question of how much to secure is still an open question".

Imagine what would happen if we valued ecosystems as if they mattered. Imagine what would happen if good environmental managers had the advantage and bad environmental managers got penalised. All we need to do is reverse the onus of responsibility and create opportunity.

Drawing on statements emerging from Europe and North America, what might an economic historian write about agri-environmental policy in 2020?

This report identifies a range of opportunities to adopt policies that improve the efficiency of water use, reduce the extent of undesired externalities and to enhance the quality of urban environments.