Adela Vasquez lives with her five children in the highlands of Chiapas. Her family congregates in the kitchen where she makes fresh tortillas twice a day on her 'comal', a traditional griddle.

Amsterdam has big plans: the city wants to achieve a circular economy by 2050. This means that emissions will be minimized, and waste will be recycled as far as possible. New technology enables all kinds of waste to be removed from the canals.

Architect Nilanjan Bhowal wants to do something about Delhi's profusion of poorly constructed and polluting buildings. He designs sustainable buildings inspired by traditional construction methods.

Adela Vasquez lives with her five children in the highlands of Chiapas. Her family congregates in the kitchen where she makes fresh tortillas twice a day on her 'comal', a traditional griddle.

Amsterdam has big plans: the city wants to achieve a circular economy by 2050. This means that emissions will be minimized, and waste will be recycled as far as possible. New technology enables all kinds of waste to be removed from the canals.

Architect Nilanjan Bhowal wants to do something about Delhi's profusion of poorly constructed and polluting buildings. He designs sustainable buildings inspired by traditional construction methods.

Affordable housing of adequate size and location is pure luxury in many cities. Leilani Farha, a former UN Special Rapporteur on adequate housing, is calling on the global real estate sector to recognize that housing is a human right.

Hydropower seems environmentally friendly but land must be cleared and flooded to create it. More than 800 hydroelectric power plants in Himachal Pradesh are causing water shortages and harm to livelihoods.

Entrepreneurs in Kenya have a hard time due to unreliable electrical power. A German startup provides an alternative with low-cost solar systems. Some flower growers have already made the switch.

In Ghana's capital Accra, Esi Dzorsu makes a delicious snack that's in great demand in her neighborhood: corn on the cob. It's grown the traditional way, delivered fresh, grilled and dipped in saltwater.