Climate Action and Waste Reduction
What are keystone species, and why do they matter?
From sea otters to cacti, wolves to coral, keystone species are the lynchpin of ecosystems, enabling other species to survive, and maintaining habitats.
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Forum in Focus
Paris or Manhattan: Which type of city is best for reducing emissions?
As urbanization piles pressure on cities, a study of the total carbon impact of buildings suggests high-density, low-rise areas could be more sustainable.
Food, Water and Clean Air
3 projects keeping food on the table in Bangladesh
Despite natural disasters, climate change and a refugee crisis Bangladesh is tackling food insecurity with urban agriculture, fairer trade and sustainable fisheries
Industries in Depth
4 things to know about the future of media and entertainment
After some unprecedented slumps due to COVID-19, the global entertainment and media industry is set to rebound strongly, a new report says.
Health and Healthcare Systems
One chart that shows equal access to vaccines isn’t just about health
A resurgence of COVID-19 cases and lagging vaccination progress are holding many countries back. But the World Bank expects the global economy to grow by 5.6% in 2021.
Built Environment and Infrastructure
What cities can learn from the cooling systems at the Tokyo Olympics
Athletes competing in Japan’s COVID-delayed Olympics faced stifling heat – but some innovative technologies were deployed to help out.