Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

A garbage collector listens to former Brazilian President Luiz Inacio Lula da Silva during his visit to a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Garbage collectors hold a flag with an image of former Brazilian President Luiz Inacio Lula da Silva during his visit to a recycling cooperative in Brasilia, Brazil October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Former Brazilian President Luiz Inacio Lula da Silva visits a recycling cooperative in Brasilia, Brazil, October 7, 2021. REUTERS/Ueslei Marcelino

Jewelry workers are pictured through a doorway in a workshop at RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

Ryan Shearman, Co-founder and of CEO Aether diamonds, which are made from captured CO2, speaks with Reuters during an interview at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A Jewelry worker works at a steam cleaning machine in a workshop at RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

Jewelry workers are pictured in a workshop at RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

An employee wearing a white glove displays various Aether diamonds made from captured CO2 at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

Jewelry workers are seen in a workshop at RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

Ryan Shearman, Co-founder and of CEO Aether diamonds, which are made from captured CO2, speaks with Reuters during an interview at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

Various Aether diamonds made from captured CO2 are pictured at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A ring set with an Aether diamond made from captured CO2 is pictured at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A worker sets an Aether diamond made from captured CO2 into a ring at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

Various Aether diamonds made from captured CO2 are pictured at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A worker sets an Aether diamond made from captured CO2 into a ring at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

Various Aether diamonds made from captured CO2 are pictured at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A quality control worker inspects a ring set with an Aether diamond made from captured CO2, at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A ring set with an Aether diamond made from captured CO2 is pictured at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A worker sets an Aether diamond made from captured CO2 into a ring at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A jewelry polisher buffs a ring to be set with an Aether diamond, made from captured CO2 at the RFG Manufacturing Riviera jewelry design facility in Manhattan in New York City, New York, U.S., September 30, 2021. Picture taken September 30, 2021. REUTERS Mike Segar

A worker sorts recycled waste at a waste-sorting centre inside an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang

A visitor views a display made from recycled plastic bottles during the final day of the Chelsea Flower Show, delayed from its usual spring dates because of the lockdown restrictions amid the spread of the coronavirus disease (COVID-19) pandemic in London, Britain, September 26, 2021. REUTERS/Henry Nicholls

A deaf Palestinian student is reflected in a recycled mirror during a handicraft class ahead of the International Day of Sign Languages, at a school for the deaf in Nablus, in the Israeli-occupied West Bank September 22, 2021. Picture taken September 22, 2021. REUTERS/Raneen Sawafta

A man works on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

Crumb rubber is seen during recycling of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A man arranges newly moulded rubber interlocking tiles manufactured from recycled car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

Men work on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A worker arranges used car tyres in preparation for recycling at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A worker works on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

Rubber by-products are seen during recycling of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A used car tyre is pictured on the recycling line at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

Crumb rubber is seen during recycling of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A man works on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A worker offloads used car tyres from a cargo tricycle in preparation for recycling at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A worker arranges used car tyres in preparation for recycling at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A general view shows used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A man works on the production line of rubber interlocking tiles manufactured from recycled car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A man works on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A worker works on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A worker works on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A worker offloads used car tyres from a truck in preparation for recycling at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

People work on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

Workers offload used car tyres from a truck in preparation for recycling at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

A worker works on the recycling line of used car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja

Workers remove newly moulded rubber mat manufactured from recycled car tyres at the Freetown waste management recycle factory in Ibadan, Nigeria September 17, 2021. Picture taken September 17, 2021. REUTERS/Temilade Adelaja