Barcelona Finds a Way to Control Its Airbnb Market

Overall, Cambodia is a relatively poor country whose residents don't own much. Norwegian hotel owners in the city of Krong Siem Reap urge their Cambodian staff to be more in charge of making their own decisions by making them co-owners of the hotel, an act that forced them to have more confidence and critical thinking skills.

Cleveland has a list of lead-safe homes, a result of decades of cleaning up hazards with tens of millions of dollars in HUD grant money.

It's been a decade since the city of Rochester, New York, committed to tackling its lead poisoning problem head on. What resulted was a more than 80 percent drop in the number of children with high lead levels. It's a change leaders believe is sustainable.

Lead poisoning is not purely a problem of the poor - it can affect any child living in an older home, or playing on contaminated soil. New solutions journalism efforts aim to increase transparency about the risks and to help parents decide whether their children should be tested.

In Memphis, a creative blight-reduction initiative called 25 Square Blocks broke down the city into blocks. Inspectors were able to quickly identify all the violations and fix them, using the same amount of funding, but less time, as the old call-and-respond model.

Foreclosure affects millions of homeowners and millions more owe more on their mortgages than what their homes are worth, but Empowering and Strengthening Ohio’s People (ESOP), offers assistance. As a free service to borrowers, ESOP holds lenders accountable with fair lending agreements, creates constructive communication, and ultimately saves homes.

As a state with robust populations of wildlife, Montana has had its share of roadkill. Its Department of Transportation developed animal shelving, a type of wildlife crossing, to enable safe passage for small animals who need to cross the road. The measure, combined with other types of crossings, has reduced animal-vehicle collisions by half.

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.

Renovating and furnishing a home can be hugely expensive. Homeowners who are renovating on a budget, and want to do so in a way that is evironmentally friendly, can find recycled luxury kitchens and other lightly used fixtures at stores like Green Demolitions.

To address the increasing unaffordability of housing in Berlin, the city introduced a new rent control law to prevent rates from exponential growth. The city has also outlawed vacation rentals in certain zones of the city and created a program that aims to have 30,000 new rental properties available over the next decade.