Solar powered waste management stations will soon offer high-throughput wireless signals on street level. Continue reading →
In the future, neighborhoods could be recycling their own water, just like they recycle newspapers, bottles and cans.
Scientists, engineers and planners are figuring out new ways of speeding up supply chains, delivery and getting rid of waste.
In theory, cities could make a little go a long way for a large number of people. In practice, many cities can be extremely wasteful.
Right now, there are 28 mega-cities in the world, with about 450 million inhabitants among them. So, which world cities make the cut?
The city, which contains flat-topped pyramids, was in use between roughly 600 B.C. and 300 B.C., when the first cities were being constructed in the area.
An international team of researchers has figured out which cities squander the most resources, and which are the most efficient.
Urban birds have adapted to city living by building their nests on everything from barbecue grills to urinals.
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