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Our Expert Voices conversation on de-extinction.

Bringing back extinct species should be treated like any other conservation program — a case-by-case assessment within the context of long-term costs and benefits.

The real questions: How best to go about proceeding with de-extinction considerations? Where will funding come from? What is technically possible? What species do we attempt to de-extinct first? There are a variety of projects in discussion and development globally that aim to de-extinct species or use biotechnology to help endangered species, including: The extinct woolly mammoth, passenger pigeon, Heath hen, New Zealand's Moa, the quagga subspecies of zebra, aurochs and the gastric brooding frog Endangered species like the black-footed ferret, Northern White rhinoceros, and the American chestnut tree. Bottom line: We've already determined de-extinction can be beneficial; it is simply an extension of well-established conservation efforts to reintroduce species with vital ecological functions around the globe (e.g. wolves in Yellowstone National Park, beavers in Scotland, etc). We now need funding for studies to determine how to do it right. Other voices in the conversation: Joseph Bennett, biologist, Carleton University: Keep animals from going extinct in the first place Molly Hardesty-Moore, ecologist, University of California, Santa Barbara: Don't forget an extinct creature's ecology Alejandro Camacho, legal scholar, University of California, Irvine: Wildlife laws aren't ready for the return of extinct species John Hawks, paleoanthropologist, University of Wisconsin-Madison: Bringing back Neanderthals

Go deeper

Updated 1 hour ago - Politics & Policy

Shooting at Michigan high school leaves 3 dead, 8 wounded

Police cars restrict access to Oxford High School following the shooting in Oxford, Michigan, on Tuesday. Photo: Matthew Hatcher/Getty Images)

A 15-year-old sophomore was arrested after a shooting at a Michigan high school that left three people dead and eight others wounded Wednesday, according to the Oakland County Sheriff's Office.

The latest: Oakland County Sheriff Michael Bouchard said at a briefing Tuesday night that the suspect's father had on Friday bought the 9mm Sig Sauer pistol investigators believe was used in the shooting at Oxford High School. Authorities released the names of the victims late Tuesday.

City Council member Andre Dickens wins Atlanta mayoral race

Atlanta Mayor-elect Andre Dickens in Atlanta, Georgia, late Tuesday. Photo: Paras Griffin/Getty Images

City Council member Andre Dickens won a runoff election Tuesday to become Atlanta's next mayor, soundly beating the council's president Felicia Moore.

The big picture: Dickens was just a few months ago considered to have an outside chance of replacing Mayor Keisha Lance Bottoms, who announced in May that she wouldn't seek a second term.

UN report: Pandemic set to cost global tourism $2 trillion in 2021

A tourist in front of the Eiffel Tower in Paris on Nov. 25. Photo:Chesnot/Getty Images

A new United Nations report warns that global tourism will see only modest revenue gains in 2021 after last year's historic losses amid the COVID-19 pandemic.

Why it matters: Tourism revenues in 2020 fell by more than half from the previous year — a significant blow to the global economy, according to analysis by the UN World Tourism Organization (UNWTO).