Copenhagen is a pork and dairy export giant, with agriculture forecast to account for 46 percent of emissions by 2030. Experts believe the carbon tax will slash 1.8 million tonnes of that in 2030, its first year of operation, enabling Denmark to meet its target of cutting 70 percent of its total emissions by that year.

Negotiations began in February between the Danish Agriculture and Food Council, the Danish Society for Nature Conservation, the Danish Food Federation (NNF), the Danish Metal Workers’ Association, and the Confederation of Danish Industry.

The five associations …