Urban farming isn’t as climate-friendly as it seems, but these best practices can transform gardens and urban farms

Urban agriculture is expected to be a key feature of 21st century sustainability and can have many benefits for communities and cities, including providing fresh produce in neighborhoods with few other options. One of these benefits is that growing food in backyards, community gardens or urban farms can reduce the distance that fruits and vegetables … Read more

Can jet fuel made from sewage take off?

Editor’s Note: Call to Earth is a CNN editorial series reporting on the environmental challenges facing our planet, along with the solutions. Rolex’s Perpetual Planet initiative partners with CNN to raise awareness and education around important sustainability issues and inspire positive action. In the race for alternative, sustainable aviation fuels, some companies are getting creative. … Read more

It’s time to limit how often we can travel abroad – ‘carbon passports’ could be the answer

Editor’s Note: The views expressed in this commentary are solely those of the author. CNN presents the work of The Conversation, a collaboration between journalists and academics to provide news analysis and commentary. The content is produced solely by The Conversation. The summer of 2023 was of great importance for the travel industry. By the … Read more