U.S. Treasury Secretary Janet Yellen opens a water bottle during her interview with Reuters in New Delhi, India, November 11, 2022. REUTERS/Altaf Hussain 

A child visits the green zone during the COP27 climate summit in Sharm el-Sheikh, Egypt November 10, 2022. REUTERS/Mohamed Abd El Ghany 

Spiderweb is seen on a military fence near the demilitarized zone separating the two Koreas, in Paju, South Korea, November 4, 2022. REUTERS/Kim Hong-Ji 

Sameer Ahmed, 65, a Syrian migrant puts water to sand in the third step of plantings project of rooftop farming in the Giza suburb on 6th of October. On a rooftop building, several Syrian migrants plant lettuce to sell in supermarkets, creating income for their families and making buildings greener by the International Organization of Migration (IOM) in collaboration with Schaduf, a local smart farming company, in Giza, Egypt November 3, 2022. REUTERS/Fatma Fahmy 

Sameer Ahmed, 65, a Syrian migrant puts water to sand in the third step of plantings project of rooftop farming in the Giza suburb on 6th of October. On a rooftop building, several Syrian migrants plant lettuce to sell in supermarkets, creating income for their families and making buildings greener by the International Organization of Migration (IOM) in collaboration with Schaduf, a local smart farming company, in Giza, Egypt November 3, 2022. REUTERS/Fatma Fahmy 

Sameer Ahmed, 65, a Syrian migrant puts water to sand in the third step of plantings project of rooftop farming in the Giza suburb of 6th on 6th of October. On a rooftop building, several Syrian migrants plant lettuce to sell in supermarkets, creating income for their families and making buildings greener by the International Organization of Migration (IOM) in collaboration with Schaduf, a local smart farming company, in Giza, Egypt November 3, 2022. REUTERS/Fatma Fahmy 

Ukraine's first lady, Olena Zelenska, drinks water during an interview with Reuters, at Web Summit, Europe's largest technology conference, in Lisbon, Portugal, November 2, 2022. REUTERS/Pedro Nunes 

Ukraine's first lady, Olena Zelenska, drinks water during an interview with Reuters, at Web Summit, Europe's largest technology conference, in Lisbon, Portugal, November 2, 2022. REUTERS/Pedro Nunes 

United Nations peacekeepers (UNIFIL) stand guard in Naqoura, near the Lebanese-Israeli border, southern Lebanon, October 27, 2022. REUTERS/Aziz Taher 

A drone releases powder fire extinguisher as South Korea's firefighters take part in an anti-terror drill to prepare against chemical and drone attacks, at Korea International Exhibition Center in Goyang, South Korea October 27, 2022. REUTERS/Kim Hong-ji 

Soldiers of the Air Mobile Protection Team exit an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

Soldiers of the Air Mobile Protection Team exit an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A eurofighter guards the Airbus A400M of the German Air Force, during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A German flag is seen on the uniform of a soldier of the Air Mobile Protection Team inside an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A eurofighter guards the Airbus A400M of the German Air Force, during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A eurofighter guards the Airbus A400M of the German Air Force, during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A eurofighter guards the Airbus A400M of the German Air Force, during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A eurofighter guards the Airbus A400M of the German Air Force, during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A eurofighter guards the Airbus A400M of the German Air Force, during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A eurofighter guards the Airbus A400M of the German Air Force, during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A eurofighter guards the Airbus A400M of the German Air Force, during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A soldier of the Air Mobile Protection Team gets ready inside an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

Soldiers of the Air Mobile Protection Team get ready inside an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

Soldiers of the Air Mobile Protection Team get ready inside an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

Soldiers of the Air Mobile Protection Team get ready inside an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

Soldiers of the Air Mobile Protection Team get ready inside an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

Soldiers of the Air Mobile Protection Team get ready inside an Airbus A400M of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

An inside view of an Airbus A400M, a transport aircraft of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

An inside view of an Airbus A400M, a transport aircraft of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner TPX IMAGES OF THE DAY 

An inside view of an Airbus A400M, a transport aircraft of the German Air Force during the Baltic Tiger 2022 binational military exercise, which is a contribution at NATO's eastern flank, over the Baltic Sea, October 24, 2022. REUTERS/Lisi Niesner 

A community health worker adds chlorine to water while internally displaced people gather to fill their buckets at the water point in Muna Garage IDP camp in Maiduguri, Borno State, Nigeria October 23, 2022. REUTERS/Christophe Van Der Perre 

A community health worker adds chlorine to water while internally displaced people gather to fill their buckets at the water point in Muna Garage IDP camp in Maiduguri, Borno State, Nigeria October 23, 2022. REUTERS/Christophe Van Der Perre 

Internally displaced people gather to fill their buckets at the water point in Muna Garage IDP camp in Maiduguri, Borno State, Nigeria October 23, 2022. REUTERS/Christophe Van Der Perre 

A community health worker adds chlorine to water while internally displaced people gather to fill their buckets at the water point in Muna Garage IDP camp in Maiduguri, Borno State, Nigeria October 23, 2022. REUTERS/Christophe Van Der Perre 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in the Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 20, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in the Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 20, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in the Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 20, 2022. REUTERS/Valentyn Ogirenko 

Employees of a municipal water supply company repair damaged water pipes, amid Russia's attack on Ukraine, in Mykolaiv, Ukraine October 17, 2022. REUTERS/Valentyn Ogirenko 

Employees of a municipal water supply company repair damaged water pipes, amid Russia's attack on Ukraine, in Mykolaiv, Ukraine October 17, 2022. REUTERS/Valentyn Ogirenko 

Employees of a municipal water supply company repair damaged water pipes, amid Russia's attack on Ukraine, in Mykolaiv, Ukraine October 17, 2022. REUTERS/Valentyn Ogirenko 

Borys Dudenko, head of a municipal water supply company speaks during an interview with Reuters, amid Russia's attack on Ukraine, in Mykolaiv, Ukraine October 17, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

A local man crosses a street with filled bottles of fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

A local woman carries filled bottles of fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local woman walks in a street to fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local people queue to fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local people fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

Local people queue to fill up bottles with fresh drinking water, as the main supply pipeline for drinking water for the city was damaged in Kherson region at the beginning of Russia's attack on Ukraine, in Mykolaiv, Ukraine October 16, 2022. REUTERS/Valentyn Ogirenko 

A woman washes her hands in a makeshift water dispenser as she joins neighbours who live near a battlefield in cooking and eating outside their homes for safety, in the recently retaken Kupiansk region of Kharkiv Oblast, Ukraine, October 15, 2022. REUTERS/Clodagh Kilcoyne 

Internally displaced boys stand near tents on the sides of dried out Balaa Dam in rebel-held Idlib countryside, Syria October 3, 2022. REUTERS/Khalil Ashawi 

A man carries a water container as he walks past a tent in a camp for internally displaced Syrians, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

A boy drinks water at a camp for internally displaced Syrians, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

People affected by the worsening drought due to failed rain seasons, gather to collect water at the Alla Futo camp for internally displaced people, in the outskirts of Mogadishu, Somalia September 23, 2022. REUTERS/Feisal Omar 

U.S. Navy aircraft carrier USS Ronald Reagan is anchored at a port in Busan, South Korea, September 23, 2022. REUTERS/Daewoung Kim 

Bahrain's Foreign Minister Abdullatif bin Rashid Al Zayani addresses the 77th Session of the United Nations General Assembly at U.N. Headquarters in New York City, U.S., September 22, 2022. REUTERS/David 'Dee' Delgado