Today, the C40 Financing Sustainable Cities Forum is being hosted in London by the C40 Cities Climate Leadership Group and the Greater London Authority, with the support of the Citi Foundation and WRI Ross Center for Sustainable Cities.
A large cistern in the ancient city of Resafa, Syria, was filled by channeling periodic floods from a wadi west of the city. The use of complex systems for directing and harvesting water dates back thousands of years. Photo from 'Ancient Water Harvesting Methods in the Drylands of the Mediterranean and Western Asia,' Brian Beckers et al., eTopoi, 2013.
A solar-powered water harvesting device, constructed with a metal organic framework. Unlike other types of water capture devices, this design is able to work under low-humidity conditions. (Hyunho Kim, Evelyn Wang)
7 June 2017: The UN Secretary-General has issued the 2017 Sustainable Development Goal (SDG) progress report, providing an overview of global progress towards the 17 SDGs on the basis of the latest available data related to the global SDG indicator framework. The report notes that tracking progress on the SDGs requires an unprecedented amount of data and statistics at all levels.
At a computer in her office at the Harvard School of Public Health in Boston, epidemiologist Caroline Buckee points to a dot on a map of Kenya's western highlands, representing one of the nation's thousands of cell-phone towers. In the fight against malaria, Buckee explains, the data transmitted from this tower near the town of Kericho has been epidemiological gold. ... Read more about Cheap Phones Churn Out Big Data
Bangladesh plans to begin turning some of the grain it produces into ethanol to make its fuel greener – but economists and experts warn the move could hurt food security in a country that is already a grain importer.
It was almost 20 years ago that Ma Jun sat and watched the rainbow-coloured River Fen, in Shanxi province. As he turned to the skies in this coal and industrial heartland of north China he could see dozens of chimneys bellowing out their fumes.