Food waste accounts for about 8 percent of global greenhouse gas emissions, according to Project Drawdown, and about a third of food grown or raised and processed does not make it from farm or factory to fork. Not only is this simply a waste of resources, but greenhouse gases are generated at nearly every stage of the food production process, including methane when organic matter lands in the global rubbish bin. Reducing food waste is the third most significant way to reduce emissions that cause climate change.
In developed countries, most food waste occurs after it has reached the market or consumer. Several European countries are taking the lead to spur a cultural shift in the way consumers think about food waste, including in Britain where top chefs started a movement to cook with "expired" foods, and in France, where recently passed legislation prohibits supermarkets from throwing food away. In developing countries where food often spoils before reaching the consumer, new technologies are being developed to preserve food longer and combat waste. With an increased awareness globally and new innovations, we could take steps to combat world hunger while reducing emissions.
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