If you’re looking for another reason to reduce or eliminate animal products from your diet – as if health and animal welfare concerns weren’t enough – think of the planet. The livestock sector is a major contributor of greenhouse gases, and it also impacts the environment in other ways.

Although livestock specialists estimate their sector emits about 18 percent of human-generated greenhouse gases – per their 2006 UN Food and Agriculture Organization report called “Livestock’s Live Shadow”updated numbers show emissions are much higher. Experts, including food journalist Mark Bittman, environmentalists from the UN’s World Bank and International Finance Corporation, and sustainability-focused organization World Watch, say the contribution is 51 percent.

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How Does Livestock Production Contribute to Climate Change?

One of the prevalent greenhouse gases associated with the livestock sector is methane, a product of ruminant digestion and manure storage methods. Another is carbon dioxide, which can be largely blamed on deforestation. The billions of animals used each year have to be housed somewhere – and this means land needs to get cleared. The fewer trees available to absorb carbon dioxide, the more of it that ends up in the atmosphere. Not to mention the amount of carbon that is released into the atmosphere as the result of this land clearing.

Other Causes for Concern

Deforestation is also culpable in the loss of biological diversity. Unable to adapt to a new environment – land abruptly cultivated specifically for livestock production – species either adapt or perish. In essence, our demand for meat is helping to fuel the sixth extinction, a human-caused phenomena which Center for Biological Diversity says is marked by the loss of species 1,000 to 10,000 times the normal rate.

Livestock production is also linked to soil erosion; excessive water usage from an-already burdened system; and pollution from runoff, nutrients, hormones, antibiotics, and other particles.

The Future Will Come Fast. Are We Prepared?

If the planet is being pushed to the limit now, what can we expect when the human population increases? And as economies grow and societies become more westernized, more people will demand meat, which will put an even larger burden on the environment.

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It’s not just the environment and wildlife that will suffer. Authors of a recent study published in Nature Climate Change say that unless we reduce our meat intake, our current system will not be sufficient to yield enough food in the future.

How to Create Change

Our current path is not sustainable. But we have the power to create change.

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Bojana Bajzelj, one of the Nature study’s authors says, “Cutting food waste and moderating meat consumption in more balanced diets, are the essential ‘no-regrets’ options.”

If you’ve been considering a plant-based diet, or want to reduce your animal product intake, why not start now? You can search for hundreds of meat-free and dairy-free recipes right here on One Green Planet’s Recipe Monster section.

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If you’re not ready to take the full plunge into a plant-based diet, why not start small, and experiment with alternatives? For instance, try using almond milk or one of the other non-dairy alternatives in your morning cereal. Or dip a cucumber in some hummus instead of opting for a standard spread. You’d be surprised at how amazingly delicious plant-based options can be.

The study also points to food waste – which occurs at every stage of the chain – as part of the problem. For our part, this means not only reducing meat and dairy intake, but being mindful of the food we waste. Buying more food than we need – even if it’s on sale – isn’t helpful if it expires or rots at the back of the refrigerator.

What Can We Take Away From This?

By all means, continue to do your part for the planet, whether it’s by consuming less, walking instead of driving, and purchasing products from eco-friendly companies. These steps are important. But equally critical – and perhaps even more so –  is our collective eating habits. What we eat and how much of it we waste are tied to the health of the environment. Healing the environment may be as simple as being mindful of what we put on our plates.

Our everyday food choices have the power to heal our broken food system, give species a fighting chance for survival, and pave the way for a truly sustainable future.
Join One Green Planet’s #EatForthePlanet movement.


Image source: U.S. Department of the Interior/Instagram

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