By expanding access to clean water, children are less at risk of being crippled by polio.
But with expanding populations and dwindling water supplies, that water equation is changing.
These include opening the doors of credit for the poor, simplifying and reducing barriers of entry, liberating education markets, expanding access to clean water, and improving the rule of law.
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As industry continues to expand in the underdeveloped parts of the world, companies and governments will increasingly need to adopt measures to efficiently treat and provide water for their burgeoning populations and expanding needs.
Sky and water become the focal elements, always expanding, while the buildings become simply a line of demarcation between them.
The reach of running water, sanitation, roads and electricity has been expanding.
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Some of Argentina's privatisations of the 1990s were flawed by corruption and monopoly, but electricity and water were successful, with tariffs falling and coverage expanding under arms-length regulation.
The goals include water and carbon monitoring, corporate governance standards, and expanding employee happiness networks.
And so, instead of being confronted with a sudden crisis that prompts real change, South Africa appears to be drifting - sustained by an expanding middle class and buoyant local economy - while the water in the pot keeps getting steadily hotter.
This is partly because elected local officials shift their efforts from expanding the economy to providing public goods, such as safe water.
The walls block wetlands and beaches from expanding inland, so with a wall on one side and encroaching water on the other, in the end, the wetlands disappear.
By the second half of the Middle Ages (1000-1500 AD) the wind and water-powered agarian revolution of the previous few centuries made Christian Europe into a rich, populous and expanding power.
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