What is palm oil and why is it thought to be bad?

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Oil palmsImage source, Science Photo Library
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Palm oil comes from oil palm trees like the ones seen in this picture

Palm oil is made from the fruits of trees called African oil palms.

The trees originally came from west and south-west Africa, but they were introduced to Indonesia and Malaysia in the late 19th and early 20th centuries.

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Palm oil: How is it affecting orangutans?

They grow naturally in tropical rainforest areas, but they also are being planted and farmed especially to produce more palm oil.

The trees may be produced on smaller family farms called smallholders or large plantations.

Dr Emma Keller from the World Wide Fund for Nature (WWF) - a charity that works to protect the planet - told Newsround: "Palm oil is in close to half of the products we buy in the supermarkets - in everything from shampoos and soaps, to pizzas and biscuits. It's everywhere."

It is a type of vegetable oil, like sunflower or rapeseed oil.

Why is palm oil seen as a bad thing?

Environmentalists argue that this farming of oil palm trees is extremely bad for the planet.

Deforestation is when forests and trees are cut down to clear the land to use it for something else

Palm oil production is said to have been responsible for about 8% of the world's deforestation between 1990 and 2008.

This is because forests are burned to clear areas where people can grow oil palms - even if it's illegal.

Burning forests like this destroys the places where plants and wildlife live, meaning the area has less biodiversity.

Species like orangutans, rhinos, elephants and tigers can be affected.

Image source, AFP/Getty Images
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Orangutans, like these orphaned babies, can find their homes destroyed when forests are cleared to make way to grow oil palms

A report for the Bank of England, which considered using palm oil in the production of the new £20 note, explained: "Forest fires, started to clear land for oil palm, release high levels of carbon dioxide and black carbon (soot) into the atmosphere, contributing to climate change."

Burning forests like this was blamed for extreme air pollution levels in Singapore in June 2013, when a thick haze covered the city. Children had to stay inside to protect themselves from the unclean air.

Image source, AFP/Getty Images
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This is a picture of the smoky haze that covered Singapore in June 2013

Amnesty International also reported at the end of 2016 that young children were being used in Indonesia to work in the production of palm oil - although the BBC has not been able to check what the report said.

Some also say that eating palm oil is not good for health, as it is high in saturated fat.

Why is palm oil seen as a good thing?

Some people say palm oil is the best type of vegetable oil to produce.

Emma explained: "Palm oil is a super-efficient crop, meaning that we can produce a lot more palm oil per area of land compared to other oil crops like soybean oil or coconut oil."

It is also reported that oil palm trees do not require as many pesticides or fertilisers to be used when growing them.

Finally, the palm oil industry offers jobs to people living in poverty in developing countries.

"Palm oil has provided jobs for millions of small farmers, helping them to get out of poverty, earn more money and have a better life for them and their families," explained Emma.

So what's the solution?

It is believed that the amount of palm oil that people around the world will consume is expected to go up over the coming years.

Work is being done to stop palm oil production from damaging the planet.

A group called the Roundtable on Sustainable Palm Oil (RSPO) was formed in 2003 to get those in the palm oil industry to work together to do this. Members of the group, which the WWF help to set up, are given strict guidelines about how they produce their palm oil.

Image source, AFP/Getty Images
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In this photo, a woman is pressing the pulp from the oil palm fruit in order to make oil

Some manufacturers have said they will only buy palm oil that they know has been produced in a sustainable way - meaning in a way that won't damage the planet. But many say it is difficult to know for sure whether or not farmers have actually followed the rules.

There has also been a change to make people who are buying things in the supermarket more aware of palm oil.

In the past, labels on food didn't used to have to say if palm oil had been used as an ingredient. They only had to say 'contains vegetable oil'.

But at the end of 2014, EU labelling laws changed so that products now have to state specifically if they contain palm oil.

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You can see palm oil clearly listed as an ingredient on the label for this chocolate bar

Campaigners say that it is difficult when looking at a palm oil product on a shelf to know if the oil has been produced in a way that is damaging the planet or not.

So should we just avoid palm oil completely?

The expert Emma does not think that the solution is to do this. She thinks we should still produce and use palm oil - as it is more efficient to produce than alternative vegetable oils - but do more to make sure that the palm oil being bought and sold is sustainable and certified.

Image source, Getty Images
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This is what land can look like after forest fires, which are carried out to clear land to make way to grow oil palms

"You are really important in helping us get to a world where sustainable palm oil is the norm and that it is unacceptable to produce palm oil in a way that damages the environment, and the health of the people working and living in palm oil producing areas," she said.