Our food system isn’t sustainable and it isn’t working. We urgently need to find new ways to feed fast-growing 21st century cities — or to help them feed themselves
Not only are blue mussels a low-carbon protein source, they can clean water of pollution too. Are they the missing link in the sustainable food chain?
Fruit and vegetables must have strong, direct overhead light — which means recreating the sun
Life cycle assessments show that ‘clean’ production methods are drastically reducing greenhouse gas emissions
Covid-19 has highlighted the importance of self-reliance in the Philippines’ most populous city
How do we measure something as complex as sustainability or equality in cities? The answer is right in front of us, says Helena Klintström. Just look at the health of the people who live there
Not only can we put a value on nature — we must, argues welfare economist Scott Cole. Offsets will be an essential part of the fight against biodiversity loss
Costa Rica’s decarbonization plan could make it US$41 billion better off by 2050 — even if other countries do nothing, says Adrien Vogt-Schilb