Found in the Amazon river, the paiche is the largest freshwater fish in the world. It's considered a delicacy in Peru but overfishing has left stocks badly depleted. A 10-year fishing ban has been introduced in the Imiria conservation area.

Found in the Amazon River, the arapaima is one of the largest freshwater fish in the world. It's considered a delicacy in Peru but features less frequently on restaurant menus now that overfishing has left stocks badly depleted. With the help of the GIZ, a 10-year fishing ban has been introduced in the Imiria conservation area. The indigenous population is exempt from the ban.

Palm-fringed beaches and turquoise sea: 16-year-old Milenia lives in what looks like paradise - Las Galeras, Dominican Republic. She likes to spend her afternoons playing dominoes with friends. But during hurricane season they steer well clear of the beach.

Food is hugely important in China, which goes some way to explaining the current popularity of an app that allows users to order takeaway home-cooked meals. The Home-Cook app was launched 18 months ago by a start-up based in Beijing. These days, some 50,000 private cooks prepare dishes the way their grandmothers taught them for 1.2 million customers.

Russia is the world's biggest consumer of heroin and sees above averagely high numbers of drug-related deaths. The "City Without Drugs" Foundation is tackling the problem by helping addicts go cold turkey.

Veneranda Mukamwkama a mother of four. All her children attend school or are learning a trade. Together with her husband Samuel Gatarahiha they farm a small plot. She shows her living room.

Half of all children in Laos are undernourished. That also means they have learning difficulties and earn less later in life. A soap opera aims to help people in the country change their dietary habits.

It's hard to imagine that this ravine just outside Bogotá was once an illegal dumping site. Now even tourists visit. But Conservation International has accomplished more than that. Its environmental work has transformed an entire city district.

Veneranda Mukamwkama is a mother of four. All her children attend school or are learning a trade. Together with her husband Samuel Gatarahiha they farm a small plot. She shows us her living room.

Half of all children in Laos suffer from malnutrition. That doesn't only mean the children are small for their age. They're ill more often, have learning difficulties and earn less later in life. It's a cycle of poverty.The International Fund for Agricultural Development has thought up something completely new: a television soap opera that's intended to help people change their dietary habits. "My Happy Family" is more effective than any lecture.