People embrace as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

A woman reacts as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

A miner looks on as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

A man looks on as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

A woman reacts as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

People react as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

A van of the Attorney General's Office of the Nation is seen as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

An ambulance arrives as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

People wait as rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

Rescue personnel continue the search for miners trapped following an explosion in a coal mine in Sutatausa, Colombia, March 15, 2023. REUTERS/Luisa Gonzalez 

View of South African utility Eskom's electricity pylons during dawn as frequent power outages implemented by Eskom due to its aging coal-fired plants continue, in Johannesburg, South Africa, February 25, 2023. REUTERS/Siphiwe Sibeko 

Aerial view of parts of the residential area that are affected by frequent power outages implemented by South African utility Eskom due to its aging coal-fired plants, in Johannesburg, South Africa, February 24, 2023. REUTERS/Siphiwe Sibeko TPX IMAGES OF THE DAY 

Customers dine in front of a screen displaying news footage of rescue workers at the site of a collapsed coal mine in Alxa League, Inner Mongolia Autonomous Region, at a restaurant in Beijing, China February 24, 2023. REUTERS/Florence Lo 

Customers dine in front of a screen displaying news footage of excavators working at the site of a collapsed coal mine in Alxa League, Inner Mongolia Autonomous Region, at a restaurant in Beijing, China February 24, 2023. REUTERS/Florence Lo 

Customers dine in front of a screen displaying a news report on a collapsed coal mine in Alxa League, Inner Mongolia Autonomous Region, at a restaurant in Beijing, China February 24, 2023. REUTERS/Florence Lo 

Refeloe Apie holds a mobile phone as she uses candles to light her shack during frequent power outages from South African utility Eskom, caused by its ageing coal-fired plants, in Pimville, Soweto, South Africa, February 20, 2023. REUTERS/Siphiwe Sibeko REFILE - CORRECTING YEAR 

Sparks Ngwenya places candles that he uses to light his shack during frequent power outages from South African utility Eskom, caused by its ageing coal-fired plants, in Pimville, Soweto, South Africa, February 20, 2023. REUTERS/Siphiwe Sibeko REFILE - CORRECTING YEAR 

Locals stand near a fire as they warm themselves during frequent power outages from South African utility Eskom, caused by its ageing coal-fired plants, in Pimville, Soweto, South Africa, February 20, 2023. REUTERS/Siphiwe Sibeko REFILE - CORRECTING YEAR 

Sparks Ngwenya holds a candle as he cooks inside his shack during frequent power outages from South African utility Eskom, caused by its ageing coal-fired plants, in Pimville, Soweto, South Africa, February 20, 2023. REUTERS/Siphiwe Sibeko REFILE - CORRECTING YEAR 

A worker moves a gas cylinder at a workshop, in Lahore, Pakistan, February 14, 2023. REUTERS/Mohsin Raza 

A demonstrator holds a placard that reads: "No power to the coal" as he takes part in the Fridays for Future climate strike, ahead of the upcoming state elections, in Berlin, Germany, February 10, 2023. REUTERS/Fabrizio Bensch 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, and Kim Hae-do, whose uncles died in the mining disaster, look at old photos of their family, at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, rests at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

A tombstone for those who have no relatives stands near the Chosei coal mine in Ube, Yamaguchi Prefecture, Japan, February 4, 2023. The local support group believes it may have been built for the Korean miners killed in the Chosei mining accident. REUTERS/Kim Kyung-Hoon 

South Korean relatives of workers killed in a disaster at the Chosei coal mine, sort out ancestral tablets for the victims at a temple in Ube, Yamaguchi Prefecture, Japan, February 4, 2023. REUTERS/Kim Kyung-Hoon 

A Japanese woman throws a flower towards the sea for the victims who were killed at the Chosei coal mine in Ube, Yamaguchi Prefecture, Japan, February 4, 2023. REUTERS/Kim Kyung-Hoon 

South Korean relatives of workers killed in a disaster at the Chosei coal mine, bow toward an altar for the victims at a mourning ceremony, in Ube, Yamaguchi Prefecture, Japan, February 4, 2023. REUTERS/Kim Kyung-Hoon 

Flowers that were thrown in the seawater for mourning the victims who were killed at the Chosei coal mine, float in front of ventilation pipes of the mine in Ube, Yamaguchi Prefecture, Japan, February 4, 2023. REUTERS/Kim Kyung-Hoon 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, stands in front of his home after an interview with Reuters in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, shows old photos of his parents and certification of graduation of his Japanese elementary school, during an interview with Reuters at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, prepares old photos of his family, during an interview with Reuters at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, and Kim Hae-do, whose uncles died in the mining disaster, watch a live broadcast of an annual commemoration ceremony for victims of the disaster taking place near the scene in Japan, at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, cries while watching a live broadcast of an annual commemoration ceremony for victims of the disaster taking place near the scene in Japan, along with Kim Hae-do, whose uncles died in the mining disaster, at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, poses for photographs at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, points at himself in an old photo taken when he was an elementary school student in Japan, at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, shows old photos of his parents and certification of graduation of his Japanese elementary school, during an interview with Reuters at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, poses for a photograph with old photos taken when he was an elementary school student in Japan, at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

A view of old photos of family members of Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, during an interview with Reuters at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Jeon Seok-ho, whose father died in the Chosei Coal Mine Disaster of 1942, shows old photos of his family, during an interview with Reuters at his home in Daegu, South Korea, February 4, 2023. REUTERS/Soo-hyeon Kim 

Lee Ki-byung, a South Korean relative of one of 183 workers killed in a disaster at the Chosei coal mine, bows his head towards the sea where he believes the body of his wife’s grandfather may be entombed beneath the ocean in Ube, Yamaguchi Prefecture, Japan, February 4, 2023. REUTERS/Kim Kyung-Hoon 

Wolfspeed CEO Gregg Lowe attends an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

Wolfspeed and ZF's power module is seen during an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

German Chancellor Olaf Scholz speaks during an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

Wolfspeed CEO Gregg Lowe attends an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

German Chancellor Olaf Scholz attends an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

Wolfspeed CEO Gregg Lowe speaks during an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

German Chancellor Olaf Scholz speaks during an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

Wolfspeed CEO Gregg Lowe speaks during an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

General view of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

View of a Wolfspeed and ZF's Formula E powertrain during an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

View of a Wolfspeed's Silicon Carbide (SiC) Wafer during an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

General view of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

General view of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

German Chancellor Olaf Scholz, ZF CEO Holger Klein, Minister-President of Saarland Anke Rehlinger, Wolfspeed CEO Gregg Lowe and Economy Minister Robert Habeck pose for a picture as they attend an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

German Chancellor Olaf Scholz, Minister-President of Saarland Anke Rehlinger, Wolfspeed CEO Gregg Lowe and Economy Minister Robert Habeck pose for a picture as they attend an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

German Chancellor Olaf Scholz, Minister-President of Saarland Anke Rehlinger, ZF CEO Holger Klein and Wolfspeed CEO Gregg Lowe pose for a picture as they attend an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

German Chancellor Olaf Scholz, Minister-President of Saarland Anke Rehlinger and Wolfspeed CEO Gregg Lowe pose for a picture as they attend an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

German Chancellor Olaf Scholz and Wolfspeed CEO Gregg Lowe pose for a picture as they attend an event on the future of the decommissioned coal-fired power plant in the Western German Saarland region in Ensdorf, Germany, February 1, 2023. REUTERS/Thilo Schmuelgen 

Roland Adjovi, a producer of Ecolo coal, transforms plant waste into bio charcoal at his workshop in Cotonou, Benin January 27, 2023. REUTERS/Charles Placide Tossou 

Roland Adjovi, a producer of Ecolo coal, and his worker, proceed to the carbonization of the leaves collected to transform into bio charcoal, at his workshop in Cotonou, Benin January 27, 2023. REUTERS/Charles Placide Tossou