Now that China is turning away the world's recyclable waste, Australia wants to ban export of the materials and increase domestic processing. Here are some techniques being pursued.

Since China stopped accepting much of the world's recyclable waste last year, many countries have been faced with the challenge of how to deal with their own trash.

In some places, plastic, paper and other scraps have been put in landfills or stockpiled, and fires at recycling centres have underlined the environmental risks. In other places, new fees have passed on the increased cost of dealing with these materials to consumers.

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Make roads from plastic bags and glass

Build small, portable recycling factories

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Turn disposable cups into sturdy materials

Collect street sweepings and reuse them

Convert household waste into electricity