Patrons sit at the bar of the Whiner Beer Company in Chicago. Some of the carbon dioxide from the fermenting process is used to stimulate the growth of plants and algae. Photograph: Joshua Lott/The New York Times
Feeding cities with less waste

A gigantic steel cylinder shines in the afternoon sun outside The Plant, a 93,500sq ft “living food laboratory” here. To the untrained eye, it looks l(...)

Leo Varadkar visiting Irish troops in Mali. The Taoiseach said the carbon tax “will never be about taking money from people”. Photograph: Defence Forces Press Office

Taoiseach Leo Varadkar is veering towards a carbon tax model that would see households receiving rebates in the form of increased child benefit, and t(...)

The European Union has agreed to put an end to decades of over-fishing and rebuild dwindling stocks by 2020, as part of a deal to overhaul the union’s fisheries policy. Photograph: Alan Betson/The Irish Times.

Minister for the Marine Simon Coveney has welcomed a deal reached by the EU that will put an end to decades of over-fishing and rebuild dwindling stoc(...)