Posts tagged with 'water'
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We Need a New Gold Standard for Urban Sanitation: Brian Arbogast
More than half the global population lacks access to safely managed sanitation services – 4.5 billion people. Every year, more than 340,000 children under the age of five die as a result of this problem. And we’re not solving it ...
5 Cities Show What Urban Transformation Really Looks Like
5 Cities Show What Urban Transformation Really Looks Like
Urbanization is changing the face of the planet – for better and for worse. City populations, GDP and investment are increasing exponentially. At the same time, carbon emissions are rising, more and more people are living in slums, and air pollution ...
Better Buildings Mean a Brighter Future: 3 Technologies to Decrease Energy Use
Better Buildings Mean a Brighter Future: 3 Technologies to Decrease Energy Use
Building efficiency is one of the most effective and affordable solutions for addressing climate change and capping carbon emissions. Yet it is so often drowned by discussions of electric vehicles and solar panels. Given that better buildings are a great ...
Putting the Poor First to Improve Sanitation in Kampala
Putting the Poor First to Improve Sanitation in Kampala
For decades, Kampala has raced to keep up with its own rapid growth. Set alongside Lake Victoria, the Ugandan capital more than quadrupled in physical footprint between 1991 and 2012 as population doubled to 1.5 million people. One of Kampala’s ...
Help for São Paulo’s Complex Water Woes: Protect and Restore Forests
Help for São Paulo’s Complex Water Woes: Protect and Restore Forests
In 2014, São Paulo nearly ran out of water. Schools closed, crops faltered and reservoirs were left at a tiny 5 percent of their capacity for the city and its surrounding population of 22 million. It was the worst drought in eight decades. ...
Protecting Forests Near and Far: Cities4Forests Launches at GCAS
Protecting Forests Near and Far: Cities4Forests Launches at GCAS
Most people don’t associate cities with trees, but urban areas are actually dependent on healthy forests. Trees within cities reduce heat, provide spaces for recreation and socialization, and increase property values. Nearby trees in the watersheds around cities filter drinking water and ...
Solving for Water Security at the Source
Solving for Water Security at the Source
In the 1990s, New York City needed a new water filtration system to serve its nearly 8 million people. But the prospect of spending $6-10 billion on a new water treatment plant, and another $100 million on annual operating costs, ...
4 Andean Cities Adapting to Glacier Retreat to Preserve Water Security
4 Andean Cities Adapting to Glacier Retreat to Preserve Water Security
Glaciers do more than feed our rivers and lakes, they also serve as critical savings banks for water withdrawals when other sources dry up. In South America, the glaciers and snowpack that crown the Andes provide slow, consistent meltwater that ...
3 Reasons City Dwellers Should Care About Forests
3 Reasons City Dwellers Should Care About Forests
If you’re reading this, you are probably a city dweller. More than half of humanity lives in cities, and the percentage continues to grow. As more and more of us move from the rural landscapes our ancestors called home, we are particularly estranged ...
3 Things Cities Can Learn from Cape Town’s Impending “Day Zero” Water Shut-Off
3 Things Cities Can Learn from Cape Town’s Impending “Day Zero” Water Shut-Off
Cape Town is running out of water. After three years of intense drought, South Africa’s second-largest city is just a few months away from “Day Zero,” the day when the city government will shut off water taps for most homes and businesses. The impacts ...
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Jenna Davis on Why Policy Reform Can Do More for Clean Water Access Than Technology
There were 663 million people without access to safe drinking water in 2015, according to the United Nations and World Health Organization. Many of those going without are from low-income households in cities across the global south. Jenna Davis, associate professor ...
Opening the Floodgates to a New Climate Economy in Mexico City
Opening the Floodgates to a New Climate Economy in Mexico City
The Metropolitan Area of the Valley of Mexico, as Mexico City’s wider metropolitan area is locally known, faces a two-fold dilemma. In recent years, the intensity of rains has increased, straining drainage systems and causing severe flooding in low-lying areas. ...
From Waste to Watts: How Sewage Could Help Fix India's Water, Energy and Sanitation Woes
From Waste to Watts: How Sewage Could Help Fix India's Water, Energy and Sanitation Woes
As India’s summer intensifies, many states are already in the midst of a drought—and the hottest days have yet to arrive. At the same time, water-intensive agriculture, rapid urban expansion, increases in industrial activity and growing energy production are driving ...
Protecting Our Water Sources Brings a Wealth of Benefits
Protecting Our Water Sources Brings a Wealth of Benefits
The journey of our water from source to tap is long, and not one we think much about. For most of us, our water starts high in the mountains, hundreds of miles away. From there, water flows across natural and ...
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Urban Water Governance in the Developing World: Accountability and Affordability Are Keys to Water Access
In 2015, the United Nations and World Health Organization (WHO) estimated that there are 663 million people around the world without access to safe drinking water, with nearly half of these people living in sub-Saharan Africa. While Africa’s urban areas ...
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