The restaurant placed two scales by its entrance and encouraged diners to enter their weight into an app that suggested menu items.
Chinese President Xi Jinping challenged cities to come up with creative solutions to avoid food waste.
As part of our series "The Year We Woke Up," we meet a 25-year-old who's tackling food wastage with an app.
I wanted to find a solution to the billions of dollars' worth of food thrown out every year in the UK.
Can Vegas ever be truly sustainable?
British festivals produce about 23,500 tonnes of waste every year. Can initiatives like plastic bottle bans ever truly counteract this?
Industry isn’t doing its part to combat climate change, but you can make small, positive steps towards helping the planet.
It’s really not that difficult, guys.
It's part of a movement to fight hunger, food waste and spare the environment.
Kenneth Choi Man-Kin's project not only provides jobs and a sense of community for the elderly, but also combats food waste from local farms.