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Can't imagine what your city would look like with a sea-level rise? These maps show endangered coastlines and landmarks. 

When people picture sand spread across idyllic beaches and endless deserts, they understandably think of it as an infinite resource. But as we discuss in a just-published perspective in the journal Science, over-exploitation of global supplies of sand is damaging the environment, endangering communities, causing shortages and promoting violent conflict.

Increased conservation advocacy by groups including the Leonardo DiCaprio Foundation and the World Wildlife Fund encouraged the Mexican government to renew efforts to save the critically endangered vaquita porpoise from extinction. Mexican President Enrique Pena Nieto has signed a memorandum of understanding that includes stricter enforcement of a permanent ban on fishing nets in Mexico's Upper Gulf of California, where about 30 vaquitas are estimated to be left.

A new study calculates that the island of Borneo lost nearly 150,000 orangutans in the period between 1999 and 2015, largely as a result of deforestation and killing. There were an estimated 104,700 of the critically endangered apes left as of 2012. The study also warns that another 45,000 orangutans are doomed by 2050 under the business-as-usual scenario, where forests are cleared for logging, palm oil, mining and pulpwood leases. Orangutans are also disappearing from intact forests, most likely being killed, the researchers say.

As part of its CanopyStyle initiative, environmental NGO Canopy has released an updated and expanded edition of its Hot Button Report, a ranking of eleven viscose and rayon producers that represent 70 percent of global viscose production. The report is the first tool of its kind to enable fashion brands and retailers to robustly assess producers' impacts on the world's forests, as well as their leadership in forging solutions to eliminate endangered forest fiber from the rayon and viscose supply chain.

Last month, the first comprehensive study on global bush meat consumption found that 113 species in Southeast Asia have dwindled to precarious numbers, primarily due to bush meat hunting and trapping. But while this region may be one of the worst affected, the study, published in Royal Society Open Science, reports that bush meat hunting is driving many of the world's mammals to the brink of extinction. "The large mammals are much more threatened than the small ones," says William Ripple, a professor of ecology at Oregon State University and lead author of the study. "This is likely because there is more meat on large mammals."

Cheetah, the fastest land animal on earth, is heading toward extinction, according to researchers at the Zoological Society of London.

As evidence mounts that excessive use of light is harming wildlife and adversely affecting human health, new initiatives in France and elsewhere are seeking to turn down the lights that flood an ever-growing part of the planet

mounts that excessive use of light is harming wildlife and adversely affecting human health, new initiatives in France and elsewhere are seeking to turn down the lights that flood an ever-growing part of the planet.

Deforestation due to palm oil production is the single biggest threat to orangutans, but new deforestation-free standards that cover about 60% of the industry could help secure the primate's future. "We can now break the link between palm oil and the extinction of orangutans," says Michelle Desilets, executive director of the Orangutan Land Trust.

On eBay and elsewhere on the Internet, illegal wildlife and wildlife parts - from elephant ivory to tiger skins to monkey and crocodile skulls - are being sold. Bringing an end to this illicit activity is proving to be a daunting challenge.

In this animation, animals sing an emotional rendition of "I Dreamed a Dream" from Les Misérables. The video opens with the creatures existing happily in their habitats: a blue whale breaches, a brown pelican skims the water, a rhinoceros runs with her calf, and a pair of baby harp seals play in the snow.