Image copyright Getty Images Image caption China has for years been struggling to deal with the rubbish its 1.4 billion citizens generate

China, one of the world's biggest users of plastic, has unveiled a major plan to reduce single-use plastics across the country.

Non-degradable bags will be banned in major cities by the end of 2020 and in all cities and towns by 2022.

The restaurant industry will also be banned from using single-use straws by the end of 2020.

China has for years been struggling to deal with the rubbish its 1.4 billion citizens generate.

The country's largest rubbish dump - the size of around 100 football fields - is already full, 25 years ahead of schedule.

In 2017 alone, China collected 215 million tonnes of urban household waste. But national figures for recycling are not available.

China produced 60 million tonnes of plastic waste in 2010, followed by the US at 38 million tonnes, according to online publication Our World in Data based at the University of Oxford.

The research was published in 2018 and said the "relative global picture is similar in projections up to 2025".

What has changed?

The National Development and Reform Commission on Sunday issued the new policy, which will be implemented over the next five years.

Plastic bags will be banned across all cities and towns in 2022, though markets selling fresh produce will be exempt until 2025.

The production and sale of plastic bags that are less than 0.025mm thick will also be banned.

The restaurant industry must reduce the use of single-use plastic items by 30%.

Hotels have been told that they must not offer free single-use plastic items by 2025.

China looks to clean up act on illegally produced wood too

By Roger Harrabin, BBC environment analyst

The broadcaster David Attenborough has warned that the planet can't be protected unless China changes its polluting ways.

Suddenly that's just starting to happen.

Following Beijing's clampdown on plastic, there's now to be a ban on illegally produced wood.

Media playback is unsupported on your device Media caption The scientists trying to tackle illegal logging

For 20 years, China's demand for raw materials has been a massive driver of illegal logging, especially in South-East Asia and Africa.

It's said to be the single largest international consumer of illegally-felled wood.

Now Beijing has amended its law to help timber-producing countries trying to tackle corruption in forestry. It says it aims to protect forestry resources and supports a ban on the cutting of natural forests.

The UK-based Environmental Investigation Bureau said the news was thrilling, but critics will note that the central government tried to force provincial governors to stop building coal-fired power stations - but failed to impose its will.

This isn't China's first campaign against the use of plastics.

In 2008, the country banned retailers from giving out free plastic bags, and banned the production of ultra-thin plastic bags.

And in 2017, China - once the world's largest importer of plastic waste - announced that it would ban the import of foreign plastic waste.

China is not the only country in Asia that has cracked down against single-use plastics.

Thailand announced earlier this year that single-use plastic bags would be banned in major stores, with a complete ban across the entire country in 2021.

Indonesia's capital Jakarta also is banning single-use plastic bags in department stores, supermarkets and traditional markets by June 2020.

The Indonesian island of Bali has also banned single-use plastic.

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Media playback is unsupported on your device Media caption The boy diving for plastic

Separately, Malaysia has sent back 150 shipping containers of illegally imported plastic waste back to their countries of origin.

"[We] will take the necessary steps to ensure that Malaysia does not become the garbage dump of the world," Environment Minister Yeo Bee Yin said on Monday.

She added that there were plans to send back further containers in the near future.

Wealthier countries have been sending plastic waste to Malaysia since 2018, but officials say they are struggling to cope with the amount that is being brought in illegally.