The train carriage for stray pets

Phone lines in Africa and South Asia would never have gotten to the poor - but these places have leapfrogged over last-century technology and gone straight to mobile phones. Now the same thing is happening with off-grid solar power: the fastest -- perhaps the only – way to power the poor.

The mobile phone is doing more than revolutionizing communication. It has the potential to improve many aspects of life in poor countries: commerce, health, agriculture, education - public health, especially, is being revolutionized by governments taking advantage of the mobile revolution by texting advice or sending voice messages to pregnant women, texting reminders to AIDS patients to take their meds, tracking the spread of diseases, allowing community health workers to keep records electronically and variations on all these themes.

The 2008 recession’s job losses spurred a development of a Do-It-Yourself economy. With the advent of Uber, Etsy, Airbnb, and others, the marketplace has become full of micro-entrepreneurs who thrive with independent web-assisted businesses.

Bus service for people who live outside major cities is either nonexistent or might as well be. But some communities are helping bring mobility to non-drivers with bus service they can really use. This article looks at a variety of places in which public transportation is highly popular and efficient—from Germany to Seattle.

New York City suffered from fires that erupted in overcrowded, run-down apartments. Then the city sleuthed through residential records and found that landlords who foreclosed let their properties fall apart and ignored safety-code violations. Greater Toronto wants to expand upon New York City’s method by using transportation surveys, census data and computer data to build transit lines.

A Dallas urban neighborhood was dilapidated with abandoned storefronts and offered no vitality for pedestrians. A group of artists and community members created Build a Better Block, in which local artisans and small businesses took over a vacant block and transformed it for a limited time to encourage the ingredients for more permanent urban renewal.

In war zones, people have a difficult time finding clean water and safe areas to inhabit. Social media, smart phones, and technology applications are aiding in people’s survival. In Aleppo, Syria, the International Committee of the Red Cross posted a map on Facebook to show alternative sources of clean drinking water that reached approximately 140,000 people.

In the wake of Hurricane Sandy, necessity has bred an interesting kind of financial invention for the New York MTA: the world’s first “catastrophe” bond - a reinsurance for the insurer - designed to protect public transportation infrastructure, specifically against storm surge. These bonds privatize risk for public gain, creating a kind of tool that may protect economic development against all kinds of natural and man-made disasters around the world.

Cities tend to be dangerous and difficult places to live for older residents. A private public partnership in New York is catering to seniors through small changes in the city such as para-transit options and seniors-only hours at public establishments.

An average of 28,000 children born in the U.S. each year die before their first birthday – and many more face disabilities and serious life-long health problems, often because they are born prematurely or at low birth weights. A free service, text4baby, delivers crucial health advice via text message to pregnant women and new mothers.