While technologies are emerging for cities to be independent in food, water and energy, safe and pleasant, progress is mostly poor and global warming threatens migrants overwhelming cities. By all means, let us see the smart city advances take place that are in the IDTechEx report, "Smart Cities Market 2021-2041: Energy, Food, Water, Materials, Transportation Forecasts", but it would be prudent to try to reverse the move to cities that the UN and others see resulting in 70-80% of us in them by 2050.
The new encouragement and enabling of home working facilitates country living. It is aided by progress towards internet everywhere. Tens of thousands of low earth orbit LEO satellites are being placed aloft, and fixed-wing and solar drones at 20,000 meters promise lower-cost coverage, each serving an area the size of Egypt. 5G communications, now being introduced, promises considerable service beyond communications and 6G communications that Samsung and others see heavily deployed in 2030 will be transformative to positioning, sensing, smart phones and internet everywhere. For example, remote education and entertainment will become superb. To human perception, even massive downloads will be instant including complex holograms. See the IDTechEx reports, "6G Communications Market, Devices, Materials 2021-2041" and "5G Technology, Market and Forecasts 2020-2030".
Remote patient monitoring drives down healthcare costs while maintaining a high standard of care for even remote patients. See IDTechEx report, "Remote Patient Monitoring 2019-2029". At the forefront is the drive to bring continuous monitoring to wearable devices. Apple, Google and Amazon have piled in.
Most families would love the superb, affordable accommodation and clean, safer living in the countryside. However, they feel they cannot easily travel to the cities or even locally when they wish and the latest TV or smartphone will not work. Help is at hand. The IDTechEx report, "Solar Vehicles 2021-2041 2nd Edition" shows how battery-electric fixed-wing air taxis will become commonplace, their range enhanced by solar wings and tailplane when needed. Over 400 have been sold so far - this is not dreamland.
Most deeply significant are solar cars. Treated gently, they now go at least 10,000 km yearly without plugging in. Even heavily used vehicles can still get 10-40% of their power from on-board solar, several offering 750-1000km range on a single charge. Because so much of the charging can now be solar and its next-generation will double the amount possible, affordable slow chargers in effect become faster chargers. Indeed, you lose your range anxiety not just because 750-1000km range is available, but if you still run out, you are not stranded in some remote spot. Wait, and your vehicle recharges itself to get you home. Overall, in the country, the range problem is now overcome by solar bodywork, economical solar charging stations, and better batteries. Delightfully, battery electric vehicles by land, water and air need one tenth or less of the servicing. This also makes them a much more practicable proposition in the countryside.
Car, air taxi and bus travel even to the distant city is becoming very low cost. TNO calculates 3-4 year payback for today's solar on cars but for someone contemplating a move out of the city, it can tip the decision, given the other advances. Air taxis will be no more expensive than regular ones. The IDTechEx report "Air Taxis: Electric Vertical Take-Off and Landing Aircraft 2021-2041" provides more information.
You can already buy an energy-independent, sea-going solar boat that charges three houses on arrival. Water power from rivers and sea are now looking good in relocatable forms that have virtually no infrastructure. Where water is in short supply, with rivers drying up, there is a wonderful lesson from India. They put solar over their canals, taking no real estate, reducing evaporation and making extra electricity from the cooling effect. Next do shrinking rivers and ponds in the country?
Raghu Das, CEO of analysts IDTechEx enthuses, "Expect governments to deter the overpopulation of cities as the pendulum swings. The technologies will be in place to make rural living extremely attractive to all concerned. Even deserts and flooded regions will become habitable without creating massive new cities".
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