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[ News ] Posted on Tuesday, March 27, 2018 - 07:42
Nairobi, 21 March 2018 – In a joint statement, partners working on cities and climate change have laid down the foundations for better-informed city climate action and decision-making, as a result of greater engagement between the policy, practice, and scientific communities working in urban areas. The document, titled: The Science We Need for the Cities We Want, was signed at the recent ... Read more
[ News ] Posted on Monday, March 26, 2018 - 16:59
The New Urban Agenda sets ambitious sustainability objectives for cities of all sizes. At the 9th World Urban Forum, IIED worked with local governments on how to deliver against the wide-ranging goals. Alexandra Norodom reflects on the power of inclusive processes. Cities need to become more sustainable, inclusive and resilient; the New Urban Agenda (NUA) adopted at the 2016 Habitat III... Read more
[ News ] Posted on Thursday, March 22, 2018 - 10:39
With two-thirds of the world’s population expected to live in urban areas by 2050, forests are critical part of the solution to the unprecedented demand for water, food and energy that these cities will face, senior United Nations officials said Wednesday, on the International Day of Forests. “How we manage forests will determine how we meet this demand,” said Manoel Sobral Filho, Director of the... Read more
[ News ] Posted on Tuesday, March 20, 2018 - 16:19
Conflict and civilisational threats likely unless action is taken to reduce the stress on rivers, lakes, aquifers, wetlands and reservoirs More than 5 billion people could suffer water shortages by 2050 due to climate change, increased demand and polluted supplies, according to a UN report on the state of the world’s water. The comprehensive annual study warns of conflict and civilisational... Read more
[ News ] Posted on Tuesday, March 20, 2018 - 14:27
Thanks to drastic increases in crop yields and the falling need for manual farm labor, a mass migration towards cities started in the years following the Industrial Revolution. This phenomenon first originated in developed economies as people moved to work in factories that produced consumer goods at a scale never before seen. Then in the 1950s, developing economies started to follow suit.... Read more
[ News ] Posted on Tuesday, March 20, 2018 - 14:15
Over the last year or so there have been several notable news stories about water shortages. The most severe is the situation in Cape Town, which has been living with the prospect of ‘day zero’, when the taps run dry. Nairobi is another African city under pressure, holding out for a decent rainy season to top up the falling water levels at the dams that supply the city. Last year California... Read more
[ News ] Posted on Tuesday, March 20, 2018 - 11:06
Over the last few decades, hydraulic and hydrologic modelers have dramatically increased our understanding of urban watersheds; namely the built wastewater and stormwater infrastructure within their respective urban environments. These models have been manually tuned and calibrated using data from flow meters and other sensors, and adjusting available software knobs and levers to improve model... Read more
[ News ] Posted on Monday, March 19, 2018 - 16:08
Recovering water, energy, nutrients and other precious materials embedded in wastewater is an opportunity for cities to transition to the circular economy and contribute to improved water security. The call comes from a new report on reuse opportunities by the International Water Association and OFID (the OPEC Fund for International Development). Titled, The Reuse Opportunity: Cities seizing the... Read more
[ News ] Posted on Monday, March 19, 2018 - 15:13
Projections suggest cities will swell at an astonishing pace – but whether that means our salvation or an eco-disaster is by no means certain by John Vidal The 1960 street map of Lagos, Nigeria, shows a small western-style coastal city surrounded a few semi-rural African villages. Paved roads quickly turn to dirt, and fields to forest. There are few buildings over six floors high and not many... Read more
[ News ] Posted on Monday, March 19, 2018 - 14:55
Urban development changes storm patterns and rainfall amounts, two new papers suggest. The research highlights the need for urban planning and infrastructure design that considers how the landscape will affect the weather. In two separate papers, teams led by Dev Niyogi, Indiana state climatologist and professor in the agronomy and earth, atmospheric, and planetary sciences departments at... Read more

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