Mexico City, a Megalopolis’ War on Plastic Bags

Paper cones, called “cucuruchos”, have been traditionally used by shoppers in Mexico City for carrying spices and grains. Now these plastic-free alternatives are making a comeback, along with straw baskets and reusable cloth bags, after a ban on plastic bags entered into effect in the megalopolis on 1 January 2020. …

Trees in the City – Plaudits for Sustainable Urban Forestry Trailblazers

The Food and Agriculture Organization of the United Nations and the Arbor Day Foundation announced the first cities to be recognized under the Tree Cities of the World programme, designed to help create more resilient and sustainable cities. Among the first-movers were capital cities such as Ljubljana, Quito, Paris, Yerevan, …

The Key to Sustainable Development Is Political Will

The eyes of the entire world are on France when it comes to combating climate change, not only because of the 2015 Paris Agreement, which pledged this country to reduce greenhouse gas emissions to zero by 2050. Not a day goes by without some environmental news from France getting around …

Energy Efficiency Means More Comfortable Lives and Lower Energy Bills

The global economy is set to double in size over the next 20 years. But that does not mean it will need twice as much energy to power all the extra cars, homes and factories such growth will bring. By taking the available opportunities to become more energy efficient, we …

World Cities Day

Changing the World: Innovations and Better Life for Future Generations, is the theme of this year’s celebration of World Cities Day and the subject of a daylong conference that UNESCO will host at its Headquarters in Paris on 31 October. The conference will bring together representatives of some 24 municipalities …

Just 7% of Cities Score ‘A’-Grade on Going Green

A total of 43 cities have scored an ‘A’ rating in a new climate-action ranking published by CDP. This means around only 7% of the 596 cities assessed scored top marks based on how effectively they are measuring and tackling greenhouse gas emissions, as well as adapting to the risks …

Time-Saving Supersonic Airplanes Could Be a Disaster for the Environment

At least three companies are hoping to bring supersonic airplanes back into the skies, but environmental groups worry their return could mean a big increase in greenhouse gasses from aviation. The issue is expected to come to the fore next week as international regulators meet in Canada beginning Monday to …