As heatwaves become more frequent and intense, cities around the world are searching for ways to stay cooler without relying solely on energy-intensive air conditioning. Medellín, Colombia, has emerged as one of the world’s most celebrated examples of nature-based urban cooling. Through its Green Corridors programme, the city planted around 880,000 trees and more than…

From the ground, Dubai’s Palm Jumeirah is an impressive luxury destination lined with hotels, villas and beaches. But from hundreds of kilometres above Earth, it reveals its true scale. The palm tree-shaped artificial island, built entirely through land reclamation, is one of the few human-made structures that is instantly recognisable in satellite images and photographs…

An 11-year-old girl died in the River Thames after asking her father for permission to ‘dip her toes’ in the water, an inquest heard.Kaliyah Coa disappeared on 31 March 2025 after entering the water at Barge House Causeway, east London. A large-scale search was carried out, but her body was found two weeks later in…