Which Vegan Milk Is Better For Our Planet?The popularity of vegan foods continues to grow, with January seen as a traditional time to consider giving them a try.
Milk alternatives, such as oat, soy, almond or coconut, are one area of interest, with sales rising in the UK.
A scientific study suggests the greenhouse gas emissions used in the production of plant-based milks are lower than for dairy milk.

But which milk has the smallest impact on the planet?
Producing a glass of dairy milk results in almost three times the greenhouse gas emissions of any non-dairy milks, according to a University of Oxford study.
Producing a glass of dairy milk every day for a year requires 650 sq m (7,000 sq ft) of land, the equivalent of two tennis courts and more than 10 times as much as the same amount of oat milk, according to this study.
Almond milk requires more water to produce than soy or oat milk. A single glass requires 74 litres (130 pints of water) - more than a typical shower. Rice milk is also comparatively thirsty, requiring 54 litres of water per glass.
However, it's worth noting that both almond and rice milk still require less water to produce than the typical glass of dairy milk.

People tend to underestimate the greenhouse gas emissions from food, and dairy milk is no exception, according to research by Dr Adrian Camilleri, a psychologist at the University of Technology Sydney.
"The greenhouse gas emissions from milk are about 30 times higher than what people estimate," he told BBC News.
"I suspect that most consumers underestimate the greenhouse gas emissions saved by switching from dairy milk to plant-based milk such as soy milk."
Sales of so-called alternative milks are growing faster in the UK than sales of traditional milk, according to market researchers Mintel.
Searches for milk alternatives spike in January in the UK - especially soy milk and almond milk.
Last year, a record 50,000 people signed up to the Veganuary campaign to live without animal products for a month. But the growing popularity of veganism extends beyond January. Searches for veganism have doubled in the past year.

So to what extent do plant-based diets' trendiness translate to actual numbers?
There are about 540,000 vegans in the UK, according to a 2016 survey by the Vegan Society, estimated to be up from 150,000 in 2006.
Yet, some farming bodies are critical of the idea of Veganuary.
The campaign ignores the fact sheep farming in the UK "works very much in harmony with our environment, our landscapes, and our human ecology", according to the National Sheep Association.
Red meat from livestock raised on grass was different from intensive animal farming, said chief executive Phil Stocker.
"Some people seem hell bent on portraying sheep as a global enemy - but in fact they are the ultimate in renewable technology and are an efficient form of productive land management that is planet-friendly," he added.Source: BBC

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