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From jewelry to food waste, firms are 'shaking' things up with circular-economy shift

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A growing number of sectors are focusing on operating as part of a "circular economy" The circular economy refers to the process of reusing, repairing or recycling products while keeping waste to a minimum.

Goldman Sachs said operating in this way could become "critical" in the face of the rising cost of raw materials and moves to reduce carbon emissions.

The global economy could benefit to the tune of up to $4.5 trillion by 2030 , the bank said.

The group is set to announce details of food products that have been made in line with circular economy principles.

It's a topic that has been close to food security specialist Matthew Tan 's heart for more than two decades .

Tan said investors are asking more questions about climate disclosures, adding that he expects a "shift" in the money market towards sustainability.