The Rio Tinto river in Spain crosses an ancient mining site which makes the water turn a variety of bright colours. Copper, silver and gold are mined here, as well as iron, which turns the water red. An ochre mix is responsible for the yellow tint of the rest of the river. (Photo by Olivier Jarry-Lancombe/Solent News)

The clear blue water off Sidmouth in Devon, UK in March 2025 turned an orangey-red hue as tonnes of 200 million-year-old sandstone was mixed in by the tide. The 500ft cliff suffered a massive fall in October last year, and took a large section of Otter sandstone and Mercia mudstone with it. (Phoot by Dean Penn/RedZepplin/Bournemouth News)

Farmers feed crabs under Metasequoia at the Sihong County Ecological Breeding Base in Suqian City, Jiangsu Province, China, on November 19, 2025. (Photo by Costfoto/NurPhoto/Rex Features/Shutterstock)

Luling, Louisiana, US. New evidence contradicts previous claims of the relative safety of glyphosate, the world’s most widely used herbicide, which is manufactured here. It is often used in conjunction with seeds that have been genetically modified to tolerate its application, meaning that anyone consuming these crops is eating a genetically modified plant, and whatever residue of the pesticide that remains. (Photo by J. Henry Fair/Industrial Scars/Papadakis Publisher)

A drone image shows decommissioned cruise ships being dismantled for scrap metal sales after the COVID-19 pandemic all but destroyed the industryat Aliaga ship-breaking yard in the Aegean port city of Izmir, western Turkey, October 2, 2020. (Photo by Umit Bektas/Reuters)

Aerial view of a giant sinkhole on June 09, 2021 in Santa María Zacatepec, Mexico. The giant sinkhole is located 20 kilometers northwest from the capital city Puebla, the hole now measures 110 meters across its widest point, covering around 11,000 square meters and damaging a house built near the place where it appeared. Farmers of the surroundings have been affected since they are not allowed to enter their fields due to the warning perimeter set up by the authorities. (Photo by Hector Vivas/Getty Images)

Staff members clean the court during the Women's Preliminary Round - Pool B volleyball match between China and Argentina on day ten of the Tokyo 2020 Olympic Games at Ariake Arena on August 2, 2021 in Tokyo, Japan. (Photo by Carlos Garcia Rawlins/Reuters)

Aerial view of pond cypress at Qinglongwan Forest Park near Ningguo, China on November 26, 2017. (Photo by Imaginechina/Rex Features/Shutterstock)