In recent years, the impact that food production and consumption have had on the environment has received increasing international attention. Some food production practices and consumption behaviours are putting the environment under a great stress, contributing to climate change. The food sector accounts for around 30% of the world's total energy consumption and accounts for around 22% of total greenhouse gas emissions. With a world population expected to reach about 9 billion by 2050 and with continuing degradation of the planet's resources, how we produce and consume our food is becoming essential in the safeguarding of our planet.
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The Lancet Planetary Health (2017) studied this question.
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