We need to eat less meat - and the G8 should say so

Instead of feeding starving humans, we funnel huge amounts of crops through the animals we use for food. G8 leaders must call for change at next week's summit.

In Davos this April, David Cameron outlined his priorities for the UK's presidency of the G8 this year. He talked about advancing trade, ensuring tax compliance and promoting greater transparency, all with the goal of creating "lasting global prosperity". It's a noble goal – lifting people out of poverty and making corporations accountable for their actions. It's reassuring to see these issues receive international attention.

But there is one obvious issue that is not being talked about, which should be at the top of the G8 agenda: animal agriculture and its contribution to world hunger, environmental degradation and skyrocketing healthcare costs, all of which affect the global economy.

There is more than enough food being grown around the world to feed the entire human population. So why are more than a billion people going hungry? Because instead of feeding starving humans, we funnel huge amounts of crops through the animals we use for food. It takes up to 16 pounds of grain to produce just 1 pound of meat. And an astounding 97 per cent of the world's soya crop goes to farmed animals rather than to hungry people.

We could eliminate the worst cases of world hunger with about 40 million tonnes of food. And it would be easy enough to find: nearly 20 times that amount of grain, 760 million tonnes, is fed to animals on factory farms every single year. Compare this to biofuels, which account for only 100 million tonnes. Tens of thousands of people marched in London on Saturday in support of Enough Food IF, a laudable campaign which highlights biofuels as one of the "bad guys" in the fight to end global hunger – and yet, inexplicably, it doesn't have animal agriculture as one of its key themes.

By cutting our meat consumption and slowing the rate at which animals are bred, we could redirect the crops that they would have consumed to the people who need them most. That's why the prestigious Worldwatch Institute maintains that "[m]eat consumption is an inefficient use of grain – the grain is used more efficiently when consumed directly by humans. Continued growth in meat output is dependent on feeding grain to animals, creating competition for grain between affluent meat-eaters and the world's poor". Therefore, raising animals for meat creates a disturbing social-justice issue.

And as meat-based diets spread to developing countries, subsistence farmers are being driven off their land. Efficient, plant-based agricultural models are being replaced by intensive animal agriculture, which also pollutes the air and water and leads to desertification that renders the once-fertile land barren.

The United Nations reports that the meat industry is "one of the top two or three most significant contributors to the most serious environmental problems, at every scale from local to global". And it's easy to see why. Carbon dioxide, methane and nitrous oxide are the principal agents of climate change – and raising animals for food is one of the largest sources of carbon dioxide and the largest source of both methane and nitrous-oxide emissions. When you add up all the energy-intensive stages of raising animals for food, slaughtering them and processing and storing their flesh, it's clear why producing 1 calorie of animal protein requires more than 11 times as much fossil fuel as producing 1 calorie of plant protein. In addition, Greenpeace estimates that in a single crop season, more than 2.9 million acres of the Amazon rain forest in Brazil are destroyed to make more room to grow crops to feed farmed animals.

The water footprint of the livestock sector is also huge. It takes more than 2,400 gallons of water to produce 1 pound of meat, while growing 1 pound of wheat requires only 25 gallons. You save more water by not eating a pound of meat than you do by not showering for six months!

Not surprisingly, the United Nations Environment Programme concluded  that "[a] substantial reduction of impacts would only be possible with a substantial worldwide diet change, away from animal products".

Environmental issues, in turn, have a serious impact on our economy. Heat waves, droughts, rising sea levels and other problems caused by climate change can ruin crops and result in increased food prices. Major storms, a developing trend that scientists have also linked to environmental destruction, often do billions of pounds in damage. Sir Nicholas Stern, author of the government-commissioned review on climate change, which has been the reference work for politicians and journalists throughout the last 10 years, warns that if we do not reduce greenhouse-gas emissions, it will take less than 40 years for climate change to cause up to a 20 per cent drop in the world's gross domestic product. He fears that it could be "market failure on the greatest scale the world has seen".

Then there are the skyrocketing healthcare costs that are attributable in large part to the increase in human consumption of meat, eggs and dairy products. Loaded with artery-clogging cholesterol and saturated fat, these products have been linked to cancer, heart attacks, strokes, diabetes and obesity. These top killers burden the National Health Service and necessitate that billions of pounds be spent searching for cures and medications to relieve disease symptoms. They also claim a huge number of lives.

Aside from their environmental and health impacts, the meat, dairy and egg industries cause immense suffering to more than a billion animals every year in the UK alone, most of whom spend their entire lives crammed inside dark, filthy sheds. They don't get to breathe fresh air until they are on their way to the abattoir, where many have their throats slit while they are still conscious.

"Lasting global prosperity" can be attained only through sustainable growth – otherwise, we will simply compound current environmental and economic problems. World leaders at the G8 Summit must take into account the devastating impact of animal agriculture in order to encourage global food changes that will be the catalyst for such growth.

The UN reports that the meat industry is "one of the top two or three most significant contributors to the most serious environmental problems". Photograph: Getty Images.

Kerry McCarthy is the Labour MP for Bristol East and the shadow foreign minister.

Photo: Getty Images
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No, IDS, welfare isn't a path to wealth. Quite the opposite, in fact

Far from being a lifestyle choice, welfare is all too often a struggle for survival.

Iain Duncan Smith really is the gift that keeps on giving. You get one bile-filled giftbag of small-minded, hypocritical nastiness and, just when you think it has no more pain to inflict, off comes another ghastly layer of wrapping paper and out oozes some more. He is a game of Pass the Parcel for people who hate humanity.
For reasons beyond current understanding, the Conservative party not only let him have his own department but set him loose on a stage at their conference, despite the fact that there was both a microphone and an audience and that people might hear and report on what he was going to say. It’s almost like they don’t care that the man in charge of the benefits system displays a fundamental - and, dare I say, deliberate - misunderstanding of what that system is for.
IDS took to the stage to tell the disabled people of Britain - or as he likes to think of us, the not “normal” people of Britain -  “We won’t lift you out of poverty by simply transferring taxpayers’ money to you. With our help, you’ll work your way out of poverty.” It really is fascinating that he was allowed to make such an important speech on Opposite Day.
Iain Duncan Smith is a man possessed by the concept of work. That’s why he put in so many hours and Universal Credit was such a roaring success. Work, when available and suitable and accessible, is a wonderful thing, but for those unable to access it, the welfare system is a crucial safety net that keeps them from becoming totally impoverished.
Benefits absolutely should be the route out of poverty. They are the essential buffer between people and penury. Iain Duncan Smith speaks as though there is a weekly rollover on them, building and building until claimants can skip into the kind of mansion he lives in. They are not that. They are a small stipend to keep body and soul together.
Benefits shouldn’t be a route to wealth and DWP cuts have ensured that, but the notion that we should leave people in poverty astounds me. The people who rely on benefits don’t see it as a quick buck, an easy income. We cannot be the kind of society who is content to leave people destitute because they are unable to work, through long-term illness or short-term job-seeking. Without benefits, people are literally starving. People don’t go to food banks because Waitrose are out of asparagus. They go because the government has snipped away at their benefits until they have become too poor to feed themselves.
The utter hypocrisy of telling disabled people to work themselves out of poverty while cutting Access to Work is so audacious as to be almost impressive. IDS suggests that suitable jobs for disabled workers are constantly popping out of the ground like daisies, despite the fact that his own government closed 36 Remploy factories. If he wants people to work their way out of poverty, he has make it very easy to find that work.
His speech was riddled with odious little snippets digging at those who rely on his department. No one is “simply transferring taxpayers’ money” to claimants, as though every Friday he sits down with his card reader to do some online banking, sneaking into people’s accounts and spiriting their cash away to the scrounging masses. Anyone who has come within ten feet of claiming benefits knows it is far from a simple process.
He is incredulous that if a doctor says you are too sick to work, you get signed off work, as though doctors are untrained apes that somehow gained access to a pen. This is only the latest absurd episode in DWP’s ongoing deep mistrust of the medical profession, whose knowledge of their own patients is often ignored in favour of a brief assessment by an outside agency. IDS implies it is yes-no question that GPs ask; you’re either well enough to work or signed off indefinitely to leech from the state. This is simply not true. GPs can recommend their patients for differing approaches for remaining in work, be it a phased return or adapted circumstances and they do tend to have the advantage over the DWP’s agency of having actually met their patient before.
I have read enough stories of the callous ineptitude of sanctions and cuts starving the people we are meant to be protecting. A robust welfare system is the sign of a society that cares for those in need. We need to provide accessible, suitable jobs for those who can work and accessible, suitable benefits for those who can’t. That truly would be a gift that keeps giving.