Cold chain

Food loss and waste are major problems around the world. When food is tossed aside or allowed to spoil, it makes economies less productive and leaves people hungry. It also harms Earth’s climate by generating methane, a potent greenhouse gas. Food loss and waste accounts for 4% of global greenhouse gas emissions. If food waste were a country, it would be the third-largest emitter in the world, ahead of India and behind only China and the U.S. Worldwide, 1.3 billion tons of food are lost or wasted every year. Earth’s population is projected to increase from 8 billion today to roughly 10 billion by 2050. Feeding that many people will require nations to increase agricultural production by more than 70% and reduce food loss and waste. Expanding food cold chains to the world’s least-developed countries can have enormous impacts. But it also raises concerns if it’s not done in a way that avoids contributing to climate change. Inves...