Researchers working in the Riomar project work on board of the Antedon II boat in the Rhone River delta in the Gulf of Lion near Marseille on September 25, 2024. The Riomar project studies the evolution of the coastal environment under the influence of rivers in five metropolitan coastal areas to observe and model the coastal environment at the mouths of French rivers. (Photo by DAVID COSTA / AFP) (Photo by DAVID COSTA/AFP via Getty Images)

A researcher (L) working in the Riomar project collect a sediment sample on board of the Antedon II boat in the Rhone River delta in the Gulf of Lion near Marseille on September 25, 2024. The Riomar project studies the evolution of the coastal environment under the influence of rivers in five metropolitan coastal areas to observe and model the coastal environment at the mouths of French rivers. (Photo by DAVID COSTA / AFP) (Photo by DAVID COSTA/AFP via Getty Images)

View of Marseille coast from the Antedon II boat during a sea trip part of the Riomar project research team in the Gulf of Lion near Marseille on September 25, 2024. The Riomar project studies the evolution of the coastal environment under the influence of rivers in five metropolitan coastal areas to observe and model the coastal environment at the mouths of French rivers. (Photo by DAVID COSTA / AFP) (Photo by DAVID COSTA/AFP via Getty Images)

A researcher sorts out samples on board the Antedon II boat during a sea trip in the Rhone River delta in the Gulf of Lion near Marseille on September 25, 2024. The Riomar project studies the evolution of the coastal environment under the influence of rivers in five metropolitan coastal areas to observe and model the coastal environment at the mouths of French rivers. (Photo by DAVID COSTA / AFP) (Photo by DAVID COSTA/AFP via Getty Images)

A researcher sorts samples of water collected in the laboratory on the Antedon II ship during a sea trip by the Riomar project research team in the Rhone River delta in the Gulf of Lion near Marseille on September 25, 2024. The Riomar project studies the evolution of the coastal environment under the influence of rivers in five metropolitan coastal areas to observe and model the coastal environment at the mouths of French rivers. (Photo by DAVID COSTA / AFP) (Photo by DAVID COSTA/AFP via Getty Images)

A researcher sorts samples of water collected in the laboratory on the Antedon II ship during a sea trip by the Riomar project research team in the Rhone River delta in the Gulf of Lion near Marseille on September 25, 2024. The Riomar project studies the evolution of the coastal environment under the influence of rivers in five metropolitan coastal areas to observe and model the coastal environment at the mouths of French rivers. (Photo by DAVID COSTA / AFP) (Photo by DAVID COSTA/AFP via Getty Images)

People look at exhibits at the Climate Science Fair, an outdoor exhibit hosted by the Emerson Collective during the annual Climate Week NYC and United Nations General Assembly, on Monday, Sept. 23, 2024 in New York. (AP Photo/Peter Morgan)

People talk near an exhibit by CETI, an organization that seeks to listen to and translate the communication of sperm whales, at the Climate Science Fair, an outdoor exhibit hosted by the Emerson Collective during the annual Climate Week NYC and United Nations General Assembly, on Sunday, Sept. 22, 2024 in New York. (AP Photo/Thalia Beaty)