Creating a water-secure future for cities
Dec14

Creating a water-secure future for cities

With global demand for water projected to outstrip supply by 40% in 2030, cities around the world are facing a water-insecure future unless they balance rising demand with limited, and often variable, supplies. Water security, according to the United Nations, is the capacity of a population to safeguard sustainable access to adequate quantities of acceptable quality water for sustaining livelihoods, human well-being and socio-economic...

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The Danish food-water nexus challenge
Dec07

The Danish food-water nexus challenge

With the global population projected to reach 9 billion in 2050, demand for food is expected to increase by 70% in 2050. It is estimated that to meet this increased demand for food, global agricultural water consumption will increase by around 19% by 2050. However, agricultural production is one of the largest sources of non-point source pollution Click & Tweet! impacting the availability of good quality water for other users and uses...

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Cape Town’s quest for water security
Nov29

Cape Town’s quest for water security

The City of Cape Town is warning its residents that their water consumption is too high Click & Tweet! and that they need to reduce their water use to winter levels. This is in response to a drought in the Western Cape that has seen dam levels in the province drop to 55%: down 10% compared to last year. Cape Town’s quest for water security Because Cape Town is situated in a water-scarce region, the city imposes water restrictions on a...

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Reducing water-food nexus pressures
Nov23

Reducing water-food nexus pressures

With the global population projected to reach 9 billion in 2050, demand for food is expected to increase by over 50% in 2030 and 70% in 2050. Already agriculture is the largest user of water with irrigation Click & Tweet! accounting for nearly 70% of all freshwater withdrawals. It is estimated that to meet this increased demand for food, global agricultural water consumption will increase by around 19% by 2050, but this figure could...

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Greening the grey with green infrastructure
Nov15

Greening the grey with green infrastructure

San Francisco’s paved surfaces, including buildings, streets and parking lots, cover most of the city, preventing rainwater from infiltrating into the ground. The result is that stormwater runoff travels across these impervious surfaces picking up pollutants including oil, bacteria and debris before it flows into the city’s combined sewer system. Usually, the combined stormwater and wastewater is transported to a wastewater treatment...

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The Big Green Apple enhancing its livability
Nov01

The Big Green Apple enhancing its livability

What is a livability city? A livable city is a city that provides ‘quality of life’ Click & Tweet! as experienced by its residents. However, cities are facing increased challenges from rising household consumption, rising demand for urban services, depletion of natural resources, increasing levels of pollution and greenhouse gas emissions and increasing vulnerability to natural disasters and risks from climate change. As such, the...

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