Ahmed Mohammed, 39, a former migrant smuggler swings a charcoal grill to bring the fire to life in the courtyard of his home in Agadez, Niger October 26 2019. Picture taken October 26, 2019. REUTERS/Zohra Bensemra

Mansoor Khan, 44, a waste collector, uses a piece of charcoal to clean his teeth, outside his home which is next to a landfill site, during the coronavirus disease (COVID-19) outbreak, in New Delhi, India, July 16, 2020. REUTERS/Adnan Abidi SEARCH "COVID-19 MEDICAL WASTE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

French artist Saype sprays an ecological mixture of chalk and charcoal to create an artwork called "World in progress" depicting two children kneeling in a circle as they draw a tree together to commemorate the 75th anniversary of the founding of the United Nations on the lawn of its European headquarters amid the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, June 21, 2020 Picture taken June 21, 2020. REUTERS/Denis Balibouse

French artist Saype sprays an ecological mixture of chalk and charcoal to create an artwork called "World in progress" depicting two children kneeling in a circle as they draw a tree together to commemorate the 75th anniversary of the founding of the United Nations on the lawn of its European headquarters amid the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, June 21, 2020 Picture taken June 21, 2020. REUTERS/Denis Balibouse

French artist Saype sprays an ecological mixture of chalk and charcoal to create an artwork called "World in progress" depicting two children kneeling in a circle as they draw a tree together to commemorate the 75th anniversary of the founding of the United Nations on the lawn of its European headquarters amid the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, June 21, 2020 Picture taken June 21, 2020. REUTERS/Denis Balibouse

French artist Saype sprays an ecological mixture of chalk and charcoal to create an artwork called "World in progress" depicting two children kneeling in a circle as they draw a tree together to commemorate the 75th anniversary of the founding of the United Nations on the lawn of its European headquarters amid the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, June 21, 2020 Picture taken June 21, 2020. REUTERS/Denis Balibouse

French artist Saype sprays an ecological mixture of chalk and charcoal to create an artwork called "World in progress" depicting two children kneeling in a circle as they draw a tree together to commemorate the 75th anniversary of the founding of the United Nations on the lawn of its European headquarters amid the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, June 21, 2020 Picture taken June 21, 2020. REUTERS/Denis Balibouse

A man collects charcoal for sale at a market, as the government still hasn't reported any case of coronavirus disease (COVID-19), in Managua, Nicaragua March 18, 2020. REUTERS/Oswaldo Rivas

Employees of family-owned Bak Kwa maker Kim Hua Guan prepare the traditional Southern Chinese pork jerky, which is popular among Singaporean Chinese for Lunar New Year celebrations, over a charcoal grill at their stall at People's Park Food Centre in Singapore's Chinatown January 18, 2020. REUTERS/Loriene Perera

Stacks of marinated pork are seen before they are grilled over charcoal as a part of the final stages of production of the traditional Southern Chinese pork jerky at the hawker stall of family-owned Bak Kwa maker Kim Hua Guan in People's Park Food Centre in Singapore's Chinatown, ahead of Lunar New Year celebrations, January 18, 2020. REUTERS/Loriene Perera

Pieces of marinated pork are grilled over charcoal as a part of the final stages of production of the traditional Southern Chinese pork jerky at the hawker stall of family-owned Bak Kwa maker Kim Hua Guan in People's Park Food Centre in Singapore's Chinatown, ahead of Lunar New Year celebrations, January 18, 2020. REUTERS/Loriene Perera

Flames rise as fresh pieces of charcoal are tossed into the grill outside the hawker stall of family-owned Bak Kwa maker Kim Hua Guan, as an employee prepares to cook the traditional Southern Chinese pork jerky, which is popular among Singaporean Chinese for Lunar New Year celebrations, at People's Park Food Centre in Singapore's Chinatown January 18, 2020. REUTERS/Loriene Perera

A man selling charcoal leans on a pile of portable cookers in a street market of Petion Ville, that remains open despite weeks of protest, Port-au-Prince, Haiti October 1, 2019. REUTERS/Andres Martinez Casares

Women, selling charcoal, chat in front of the ruling FRELIMO party election posters in the capital, Maputo, Mozambique August 31, 2019. REUTERS/Siphiwe Sibeko

Vendors are seen near charcoal bags, ahead of the Muslim holidayÊofÊEid al-Adha, known as the ÒFestivalÊof theÊSacrificeÓ, in Cairo, Egypt August 2, 2019. Picture taken August 2, 2019. REUTERS/Hayam Ade

Women cross a temporary foot bridge as they carry charcoal for use as fuel, after Cyclone Idai, in Chipinge, Zimbabwe March 25,2019. REUTERS/Philimon Bulawayo

Benjamens St. Pierre carries a shotgun as he patrols the border between Haiti and the Dominican Republic looking for people smuggling charcoal, in the province of Independencia, Dominican Republic, October 3, 2018. St. Pierre said that they advise the producers not to make charcoal. Some people in Haiti blame charcoal production as one of the reasons for existing deforestation. REUTERS/Andres Martinez Casares SEARCH "BOUCAN HAITI" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A man rests on charcoal sacks at a wharf in Port-au-Prince, Haiti, November 9, 2018. REUTERS/Andres Martinez Casares

Meghan, Britain's Duchess of Sussex, smells traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool TPX IMAGES OF THE DAY

Meghan, Britain's Duchess of Sussex, smells traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, visit the Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Meghan, Britain's Duchess of Sussex, visits Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry looks on as his wife, Meghan, Duchess of Sussex, smells traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, look at traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Meghan, Britain's Duchess of Sussex, looks at traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Meghan, Britain's Duchess of Sussex, smells traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry looks on as his wife, Meghan, Duchess of Sussex, smells traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry looks on as his wife, Meghan, Duchess of Sussex, smells traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, look at traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry smells traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry tries traditional native Australian ingredients during a visit with his wife Meghan, Duchess of Sussex, to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, look at traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, look at traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, look at traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Meghan, Britain's Duchess of Sussex, visits Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, look at traditional native Australian ingredients during a visit to Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, arrive to visit a mural created by Gunnai and Waradgerie man Robert Young near Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, visit a mural created by Gunnai and Waradgerie man Robert Young near Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, visit a mural created by Gunnai and Waradgerie man Robert Young near Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, visit a mural created by Gunnai and Waradgerie man Robert Young near Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, visit a mural created by Gunnai and Waradgerie man Robert Young near Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Britain's Prince Harry and his wife, Meghan, Duchess of Sussex, visit a mural created by Gunnai and Waradgerie man Robert Young near Mission Australia social enterprise restaurant Charcoal Lane in Melbourne, Australia October 18, 2018. REUTERS/Phil Noble/Pool

Residents carry charcoal after a series of gas explosions left them without gas or power in Lawrence, Massachusetts, U.S., September 14, 2018. REUTERS/Brian Snyder

Hudhayfa al-Shahad fills a paper cup with cotton and charcoal in Idlib, Syria September 3, 2018. Picture taken September 3, 2018. REUTERS/Khalil Ashawi

Hudhayfa al-Shahad fills a paper cup with charcoal in Idlib, Syria September 3, 2018. Picture taken September 3, 2018. REUTERS/Khalil Ashawi

An ethnic Lisu man dances barefoot on hot charcoal embers to celebrate the annual Knife Pole Festival in Luzhang township of Nujiang Lisu Autonomous Prefecture in Yunnan province, China, March 29, 2018. REUTERS/Aly Song TPX IMAGES OF THE DAY

An ethnic Lisu man dances barefoot on hot charcoal embers to celebrate the annual Knife Pole Festival in Luzhang township of Nujiang Lisu Autonomous Prefecture in Yunnan province, China, March 29, 2018. REUTERS/Aly Song

An ethnic Lisu man dances barefoot on hot charcoal embers to celebrate the annual Knife Pole Festival in Luzhang township of Nujiang Lisu Autonomous Prefecture in Yunnan province, China, March 29, 2018. REUTERS/Aly Song

A worker with her face tainted with charcoal poses as she takes a break from repacking charcoal to be used for grilling food during New Year celebrations, at a charcoal shop in Las Pinas, Metro Manila, in the Philippines December 31, 2017. REUTERS/Erik De Castro

A worker repacks charcoal to be use for grilling food during New Year celebrations, at a charcoal shop in Las Pinas, Metro Manila, in the Philippines December 31, 2017. REUTERS/Erik De Castro

A worker repacks charcoal to be used for grilling food during New Year celebrations, at a charcoal shop in Las Pinas, Metro Manila, in the Philippines December 31, 2017. REUTERS/Erik De Castro

A worker repacks charcoal to be used for grilling food during New Year celebrations, at a charcoal shop in Las Pinas, Metro Manila in the Philippines December 31, 2017. REUTERS/Erik De Castro

Workers repack charcoal to be used for grilling food during New Year celebrations, at a charcoal shop in Las Pinas, Metro Manila, in the Philippines December 31, 2017. REUTERS/Erik De Castro

A worker takes care of her baby as she takes a break from repacking charcoal to be used for grilling food during New Year celebrations, at a charcoal shop in Las Pinas, Metro Manila, in the Philippines December 31, 2017. REUTERS/Erik De Castro

A worker repacks charcoal for grilling food during New Year celebrations at a charcoal shop in Las Pinas, Metro Manila in the Philippines, December 31, 2017. REUTERS/Erik De Castro

A demonstrator protests in front of the Hotel Windsor, where Brazil's auction for oilfields takes place, in Rio de Janeiro, Brazil, September 27, 2017. The poster reads; "Oil, Gas and Charcoal. There's corruption here." REUTERS/Bruno Kelly

Demonstrators protest in front of the Hotel Windsor, where Brazil's auction for oilfields takes place, in Rio de Janeiro, Brazil, September 27, 2017. The poster reads; "Oil, Gas and Charcoal. There's corruption here." REUTERS/Bruno Kelly

Demonstrators protest in front of the Hotel Windsor, where the Brazil's auction for oilfields takes place, in Rio de Janeiro, Brazil, September 27, 2017. The poster reads; "Oil, Gas and Charcoal. There's corruption here." REUTERS/Bruno Kelly

A man works on charcoal stoves made of recycled metal wastes at his recycling warehouse in Anoumambo, Abidjan, Ivory Coast, August 17, 2017. Picture taken August 17, 2017.REUTERS/Thierry Gouegnon

A man gathers charcoal stoves made with recycled metal wastes at his recycling work place in Abidjan, Ivory Coast, August 16, 2017. REUTERS/Luc Gnago