Marc Ó Cathasaigh (Waterford, Green Party) | Oireachtas source

How does the OPW do a cost-benefit analysis of nature-based or soft engineering solutions versus hard engineering solutions? This is a complicated question in several parts. How does the OPW do the cost-benefit analysis? How does it do the natural capital accounting, whereby the cost-benefit analysis takes account not just of flood prevention but also biodiversity benefits, carbon sequestration benefits and so on? How does the natural capital payoff from the work factor into the OPW's equation when it is doing cost-benefit analysis?