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Artist Kong Ning, wearing a face mask following the coronavirus disease (COVID-19) outbreak, prepares for a portrait in a wearable art piece she made to mark Earth Day, during a Reuters interview outside her studio in Beijing, China April 22, 2020. REUTERS/Carlos Garcia Rawlins
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In this April 21, 2020 photo, people walk past an Earth globe sculpture at Thea's Park in Tacoma, Wash., with the WestRock Paper Mill in the background. Wednesday is the 50th anniversary of Earth Day, and observance that helped spur activism against air and water pollution and disappearing plants and animals, but ongoing challenges remain throughout the world. (AP Photo/Ted S. Warren)
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A man wearing a mask to protect against the coronavirus disease (COVID-19) walks past a vacant bench at Green Spring Gardens on Earth Day in Alexandria,Virginia, U.S., April 22, 2020. REUTERS/Kevin Lamarque
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Birds fly as smoke billows from a burning garbage dump on Earth Day, as the spread of the coronavirus disease (COVID-19) continues, on the outskirts of Ahmedabad, India, April 22, 2020. REUTERS/Amit Dave
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View of a heron on the Santa Catarina river, where a bridge was built and which environmental activists believe will affect the water course in rainy seasons, in Monterrey, Nuevo Leon state, Mexico on March 14, 2020. April 22, 2020 commemorates the 50th anniversary of the World Earth Day. / AFP / Julio Cesar AGUILAR
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Women carry fodder for their cattle through a mustard field on Earth Day, amid concerns about the spread of the coronavirus disease (COVID-19), on the outskirts of Srinagar April 22, 2020. REUTERS/Danish Ismail
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A member of Rural Collserola picks up lettuce and mint plant in an ecological field during Earth Day, in the Collserola Mountains near Barcelona as the spread of the coronavirus disease (COVID-19) continues, the Collserola Mountains near Barcelona, Spain, April 22, 2020. REUTERS/Nacho Doce
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Birds fly over a wild poppy field in the Athalassa Park during earth day, in Nicosia, Cyprus April 22, 2020. Reuters/Yiannis Kourtoglou
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A cow drinks water from the San Juan river -low due to little rain in the region- on March 14, 2020, in Cadereyta municipality, Nuevo Leon state, Mexico. April 22, 2020 commemorates the 50th anniversary of the World Earth Day. / AFP / Julio Cesar AGUILAR
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In this April 21, 2020 photo, the phrase "May Peace Prevail On Earth" is posted in multiple languages on a pole at Thea's Park in Tacoma, Wash., as a man and a child throw rocks in the water and a grain cargo ship sits parked in the background. Wednesday is the 50th anniversary of Earth Day, and observance that helped spur activism against air and water pollution and disappearing plants and animals, but ongoing challenges remain throughout the world. (AP Photo/Ted S. Warren)
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A fish is seen after being catcheed in a net at Patzcuaro Lake, Michoacan state, Mexico, on March 14, 2020. April 22, 2020 commemorates the 50th anniversary of the World Earth Day. / AFP / ENRIQUE CASTRO
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A man carries a thermocol box on his shoulders while walking amidst water hyacinths in the Yamuna river on Earth Day, during a lockdown to slow spreading of the coronavirus disease (COVID-19), in New Delhi, India, April 22, 2020. REUTERS/Anushree Fadnavis
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A man rows his small boat on the waters of Dal Lake ahead of Earth Day, amid concerns about the spread of coronavirus disease (COVID-19), in Srinagar April 2, 2020. REUTERS/Danish Ismail
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In this April 21, 2020 photo, people walk past an Earth globe sculpture at Thea's Park in Tacoma, Wash., with the WestRock Paper Mill in the background. Wednesday is the 50th anniversary of Earth Day, and observance that helped spur activism against air and water pollution and disappearing plants and animals, but ongoing challenges remain throughout the world. (AP Photo/Ted S. Warren)
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A yellow-crowned night heron is seen on a nest on a tree branch, Wednesday, April 22, 2020, in Baltimore. (AP Photo/Julio Cortez)
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View of a boat on Patzcuaro Lake, Michoacan state, Mexico, on March 14, 2020. April 22, 2020 commemorates the 50th anniversary of the World Earth Day. / AFP / ENRIQUE CASTRO
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The reflection in the water of a Trajinera boatman, in Xochimilco, a transportation system created by the indigenous Aztec ethnic group in Mexico City, on March 14, 2020. April 22, 2020 commemorates the 50th anniversary of the World Earth Day. / AFP / RODRIGO ARANGUA
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Artist Kong Ning, wearing a face mask following the coronavirus disease (COVID-19) outbreak, poses for a portrait in a wearable art piece she made to mark Earth Day, during a Reuters interview outside her studio in Beijing, China April 22, 2020. REUTERS/Carlos Garcia Rawlins
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A man casts a fishing net in a tributary of the Rio Grande which divides El Paso, Texas state, United States from Ciudad Juarez, state of Chihuahua, Mexico on March 14, 2020. April 22, 2020 commemorates the 50th anniversary of the World Earth Day. / AFP / HERIKA MARTINEZ
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The sun shines over the dried out Elbe river bed in front of the Catholic Church of the Royal Court of Saxony (Hofkirche) during a long time of drought at the international Earth Day in Dresden, eastern Germany, Wednesday, April 22, 2020. (AP Photo/Jens Meyer)
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A man removes weed from the algae-covered Anchar Lake ahead of Earth Day, amid concerns about the spread of coronavirus disease (COVID-19), in Srinagar April 21, 2020. REUTERS/Danish Ismail
