Destroying forests to plant palm oil trees has been shown to damage the planet.
Keystone / Dedi Sinuhaji
Swiss researchers have found a method of cultivating palm oil that has no negative impact on the climate or biodiversity. They recommend creating palm oil plantations on disused pasture land as an alternative to clearing forests.
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Suíços acham solução sustentável para cultivo do óleo de palma
The team from Lausanne’s Federal Institute of Technology (EPFL) and the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) analysed soil at plantations in Colombia, which is the world’s fourth largest palm oil producing country. They found that planting on pasture land is a much more sustainable way of harvesting the oil that is widely used in food and cosmetics products.
Because the trees producing palm oil are cut down and replaced every 25 to 30 years, researchers analysed several layers of soil that showed the long-term effects of plantations.
They found that the amount of carbon stored in the ecosystem remains unchanged compared to levels when the area was pasture land.
“The problem lies with the negative carbon impact and loss of biodiversity caused by deforestation. But the main palm oil producing countries have large abandoned pastures that could be converted favorably, thus limiting the massive carbon loss resulting from deforestation,” says study co-author Alexandre ButtlerExternal link.
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