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[ 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
[ News ] Posted on Monday, March 19, 2018 - 14:48
Ben Lambert, a 34-year-old who manages fundraising efforts for a number of nonprofits, lives in one of Denver’s densest residential neighborhoods: Capitol Hill. The area surrounds Colorado’s capitol building and is home to museums, concert venues and restaurants. The housing stock consists mostly of apartment buildings and tightly packed homes. Ben’s apartment building has a small off-street... Read more
[ News ] Posted on Monday, March 19, 2018 - 12:45
Every city in the U.S. has a chief elected leader. Many cities have a chief technology officer. Several cities have a chief resilience officer. But, how many cities have a chief scientist? In an era of climate change and limited resources, isn’t this an idea whose time has come? I suggested this idea at the recent CitiesIPCC 2018 Conference in Edmonton, Canada before a friendly audience of mayors... Read more