Urban Fish Ponds: Low-Tech Sewage Treatment for Towns and Cities

In the mid 20th century, whole cities’ sewage systems safely and successfully used fish to treat and purify their water. Waste-fed fish ponds are a low-tech, cheap, and sustainable alternative to deal with our own shit — and to obtain high protein food in the process. In countries like Vietnam, …

IUCN Standard to Boost Impact of Nature-Based Solutions to Global Challenges

IUCN recently unveiled a Global Standard providing the first-ever set of benchmarks for nature-based solutions to global challenges. The new IUCN Global Standard will help governments, business and civil society ensure the effectiveness of nature-based solutions and maximise their potential to help address climate change, biodiversity loss and other societal …

Climate Crisis and Antibiotic Use Could ‘Sink’ Fish Farming Industry – Report

The climate crisis, drug use and feeding farmed fish with wild stocks risks “sinking” the $230bn (£180bn) aquaculture industry, according to an ethical investment network. Fish farms now surpass wild fisheries as the main provider of seafood on our plates, but combined risks from global heating, excessive use of antibiotics, …