Dead fish are removed from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

A fish floats on the surface of the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

A fish floats on the surface of the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish float on the surface of the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish float on the surface of the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish float on the surface of the Oder river, as water contamination is believed to be the cause of a mass fish die-off, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river at a mobile catch basin, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse TPX IMAGES OF THE DAY 

Dead fish are removed from the Oder river at a mobile catch basin, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river at a mobile catch basin, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed at a mobile catch basin from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish float at a mobile catch basin in the Oder river, as water contamination is believed to be the cause of a mass fish die-off, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Dead fish are removed from the Oder river at a mobile catch basin, as water contamination is believed to be the cause of a mass fish die-off, by the German border, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse REFILE - QUALITY REPEAT 

Volunteer firefighters remove dead fish in a mobile catch basin from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

Volunteer firefighters remove dead fish in a mobile catch basin from the Oder river, as water contamination is believed to be the cause of a mass fish die-off, in Krajnik Dolny, Poland, August 13, 2022. REUTERS/Annegret Hilse 

A dead fish floats in the Oder river at the border with Germany as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Dead fish float, in the Oder river at the border with Germany, as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A general view of Oder river banks, where dead fish float, as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A pier with a note "No entry" is seen as dead fish float in the Oder river at the border with Germany as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A dead fish floats in the Oder river at the border with Germany as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A dead fish floats in the Oder river at the border with Germany as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Dead fish floats in the Oder river at the border with Germany as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A general view of Oder river at the border with Germany, where water contamination is believed to be the cause of a mass fish die-off, near Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Dead fish float in the Oder river at the border with Germany as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Dead fish float in the Oder river at the border with Germany as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Dead fish float in the Oder river at the border with Germany as water contamination is believed to be the cause of a mass fish die-off, in Kostrzyn nad Odrą, Poland, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A member of the Polish Armed Forces reacts as they remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner TPX IMAGES OF THE DAY 

A member of the Polish Armed Forces removes dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A member of the Polish Armed Forces collects dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A member of the Polish Armed Forces removes dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Dead fish are removed from the Oder river by Polish Armed Forces, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A member of the Polish Armed Forces looks on as he removes dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A member of the Polish Armed Forces removes dead fish by the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove a dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A dead fish floats in the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A member of the Polish Armed Forces removes a dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A member of the Polish Armed Forces removes dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

A member of the Polish Armed Forces removes a dead fish from the Oder river, near the German border, as water contamination is believed to be the cause of a mass fish die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

Members of the Polish Armed Forces remove a dead fish from Oder river, near the German border, as water has been contaminated and is causing fish to die-off, in Slubice, Poland, August 12, 2022. REUTERS/Lisi Niesner 

People sit on the beach at sunset at the Baltic Sea coast near Slajszewo, Poland August 11, 2022. REUTERS/Kacper Pempel 

The full moon, colloquially known as the Sturgeon Supermoon, rises near Choczewo, Poland August 11, 2022. REUTERS/Kacper Pempel 

People walk on the beach at sunset at the Baltic Sea coast near Slajszewo, Poland August 11, 2022. REUTERS/Kacper Pempel 

The full moon, colloquially known as the Sturgeon Supermoon, rises near Choczewo, Poland August 11, 2022. REUTERS/Kacper Pempel 

A ship is seen from the beach after sunset at the Baltic Sea coast near Slajszewo, Poland August 11, 2022. REUTERS/Kacper Pempel 

A tanker driver pours fuel at an oil refinery, part of Grupa Lotos taken over by PKN Orlen in 2022, in Gdansk, Poland August 9, 2022. REUTERS/Kacper Pempel 

Fuel pipes for pouring gas and diesel are pictured at an oil refinery, part of Grupa Lotos taken over by PKN Orlen in 2022, in Gdansk, Poland August 9, 2022. REUTERS/Kacper Pempel 

A logo of oil refiner Grupa Lotos, taken over by PKN Orlen in 2022, is seen in Gdansk, Poland August 9, 2022. REUTERS/Kacper Pempel