How giant African rats are helping uncover deadly land mines in Cambodia

The highest hospital costs come from preventable emergency room visits. A doctor in Camden developed a home visit program which gives better and cheaper care.

Each year, close to three million dogs and cats are killed in shelters - in some cities more than 70 percent of the animals in shelters are euthanized. Target Zero is a program that works with fellow cities to spay and neuter animals and return them to the streets. Public complaints about animals have plummeted, and many shelters are well on their way to achieving a 'zero-kill' status.

American humanitarian aid and programs by the United Nations have proved beneficial to equip Middle Eastern refugees with resources for self-settlement outside of camps. The self-settlement model has empowered refugees to become more productive members of society when they return home.

The city of Trenton is trying to reduce gun violence. In Philadelphia, the Healing Hurt People is a hospital-based violence intervention program that employs trauma counselors to help patients suffering from gun violence.

Since 2003, the Dublin Protocol has stopped migrants from traveling through Europe to auspicious countries before claiming asylum. However, many migrants travel by sea—which is more perilous and has led to high rates of death. Germany is the first country European country to break from the Dublin Protocol by letting in Syrian refugees.

A misdemeanor for a poor person can mean denial of employment, housing, etc., removing any opportunities for change. A public defender's office in the Bronx is trying to stop this downward spiral by offering ex-offenders comprehensive and dedicated help.

The Law Enforcement Assisted Diversion initiative is being implemented in cities across the U.S. Instead of arresting people accused of low-level drug crimes, the offenders are offered drug treatment, job training, mental health counseling, and other services.

Hospitals in the U.S. throw out huge amounts of supplies and equipment, and third-world hospitals need it. Many organizations help bridge the gap to transport supplies, but end up donating unusable equipment - teaching hospitals what to donate as well as knowing where the equipment is going are just some of the ways that efficiency can be improved.

People affected by fetal alcohol syndrome disorder are more likely to be convicted. In Alaska, one court provides convicts with FASD counselors and patience, making the court system more equitable and hoping to reduce recidivism.

Refugee camps typically look like a prison with squalid conditions and barbed wire tops. By contrast, the Kilis refugee camp in Turkey is orderly, secure, and clean; has schools for children; has grocery stores, and is powered with electricity. The camp is not run by the United Nations, but rather it is Turkey’s Disaster and Emergency Management Presidency that oversees every detail and pours billions of dollars into maintaining it every year.