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, …

How WHO is Working to Track Down the Animal Reservoir of the SARS-CoV-2 Virus

The introduction of a new virus to the human population is one of the greatest mysteries an epidemiologist can hope to unravel. Some of the most common and deadliest human diseases are caused by bacteria or viruses of animal origin. In recent decades this trend has only increased, with an …

10 Things You Should Know About Industrial Farming

There was a time when industrial agriculture seemed to be a panacea for a fast-growing world.  Synthetic fertilizers, chemical pesticides and high-yield cereal hybrids promised to reduce hunger, accommodate growing populations and stimulate economic prosperity. Between 1960 and 2015, agricultural production more than tripled, resulting in an abundance of low-cost …

Clean Air and Green Jobs in Latin America and the Caribbean Thanks to E-Mobility

The transport sector is responsible for 15 per cent of greenhouse gas emissions in the region. New report calls to prioritize the electrification of public transport, especially when updating old bus fleets. Electric mobility could foster new investments and jobs, which are key to COVID-19 recovery efforts. The transition to …

Back in the Saddle

The COVID-19 pandemic has limited our movement and activities. Recreational sports around the world have been thrown into a deep freeze, shuttering everything from tennis clubs to weekend football leagues. But one diversion that remains pandemic-approved: cycling. The World Health Organization has recommended it both as a mode of transport …

COVID-19 Intensifies the Urgency to Expand Sustainable Energy Solutions Worldwide

Despite accelerated progress over the past decade, the world will fall short of ensuring universal access to affordable, reliable, sustainable, and modern energy by 2030 unless efforts are scaled up significantly, reveals the new Tracking SDG 7: The Energy Progress Report released recently by the International Energy Agency (IEA), the …