Can Our Climate Survive Bitcoin?

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Bitcoin is a novel form of currency that bypasses banks, credit card companies and governments. But as Elizabeth Shogren reports, the process of creating bitcoin is extremely energy intensive, and it’s setting back efforts to address climate change. Already, bitcoin has used enough power to erase all the energy savings from electric cars, according to one study. Still, towns across the United States are scrambling to attract bitcoin-mining operations by selling them power at a deep discount. 

Bitcoin’s demand for electricity is so great that it’s giving new life to the dirtiest type of power plants: ones that burn coal. In Hardin, Montana, the coal-fired power plant was on the verge of shutting down until bitcoin came to town. The coal that fuels the bitcoin operation is owned by the Crow Nation, so some of the tribe’s leaders support it. But in just one year, the amount of carbon dioxide the plant puts into the air jumped nearly tenfold. 

After our story first aired, the company that owns the computers that mine bitcoin in Hardin announced that it would move them to a cleaner source of power. The generating station is negotiating with other companies to take its place. 

Bitcoin’s huge carbon footprint has people asking whether  cryptocurrency can go green. Bitcoin advocates say it can switch to renewable energy. Others are instead developing entirely new types of cryptocurrency that are less energy hungry. Guest host Shereen Marisol Meraji talks with Ludwig Siegele, now the European business editor at The Economist, who gives his assessment of the challenges of making cryptocurrency environmentally friendly. 

This is a rebroadcast of an episode that originally aired in March 2022.

Dig Deeper

Read: Bitcoin now negating a decade of progress in deploying electric vehicles (Digiconomist) 

Read: President Joe Biden’s executive order calling on federal agencies to study cryptocurrency (White House)

Watch: How Cryptocurrency Works (The New York Times)

Credits

Reporter and lead producer: Elizabeth Shogren | Editor: Taki Telonidis | Production manager: Amy Mostafa | Production help: Michael Montgomery and Amy Mostafa | Fact checker: Nikki Frick | Digital producer: Sarah Mirk | Score and sound design: Jim Briggs and Fernando Arruda, with help from Jess Alvarenga, Steven Rascón and Kathryn Styer Martínez | Executive producer: Kevin Sullivan | Host: Shereen Marisol Meraji

Support for Reveal is provided by the Reva and David Logan Foundation, the John D. and Catherine T. MacArthur Foundation, the Jonathan Logan Family Foundation, the Ford Foundation, the Heising-Simons Foundation, the Hellman Foundation, Democracy Fund, and the Inasmuch Foundation.

Elizabeth Shogren is a senior reporter and producer for Reveal, covering science. As part of a new initiative, Shogren tracks the real-life effects of the anti-science mentality that has seeped into many corners of the federal government. Previously, Shogren was an on-air environment correspondent for NPR’s national and science desks. She has also covered the environment and energy for the Los Angeles Times and High Country News. While at NPR, she was a lead reporter for Poisoned Places, a data-driven series about the toxic air pollution that plagues some communities because of the failure of government to implement a decades-old federal law. The series received several honors, including a Science in Society journalism award from the National Association of Science Writers. Her High Country News investigations of the federal coal program and the Federal Emergency Management Agency’s failure to adjust to climate change won the Society of Professional Journalists’ Top of the Rockies prizes. Early in her career, as a freelance foreign correspondent, she covered the fall of communism in Eastern Europe before joining the Los Angeles Times’ Moscow bureau. Later, she joined the paper’s Washington bureau, where she covered the White House, Congress, poverty and the environment. Shogren is based in Washington, D.C.

Taki Telonidis is the senior supervising editor for Reveal. Previously, he was the media producer for the Western Folklife Center, where he created more than 100 radio features for NPR’s “All Things Considered,” “Weekend Edition” and other news magazines. He has produced and directed three public television specials, including “Healing the Warrior’s Heart,” a one-hour documentary that explores how the ancient spiritual traditions of our nation’s first warriors, Native Americans, are helping today’s veterans diagnosed with post-traumatic stress disorder. Telonidis also was senior content editor for NPR’s “State of the Re:Union.” Before moving to the West, he worked for NPR in Washington, where he was senior producer of “Weekend All Things Considered” between 1994 and 1998. His television and radio work has garnered a George Foster Peabody Award, three Rocky Mountain Emmy Awards and the Overseas Press Club Award for breaking news. Telonidis is based in Salt Lake City.

Amy Mostafa (she/they) is the production manager for Reveal. She is a UC Berkeley School of Journalism alum, where she focused on audio and data journalism as a Dean’s Merit Fellow and an ISF Scholar. She has reported on science, health and the environment in Anchorage for Alaska Public Media and on city government in Berkeley and San Francisco for KQED. Her work also has appeared on NPR, KALW and KALX. Mostafa holds a bachelor’s degree in English literature and public policy. She has most recently reported on housing and aging in the Bay Area. She is based in Reveal’s Emeryville, California, office.

Michael Montgomery is a senior reporter and producer for Reveal. He has led collaborations with the Associated Press, the International Consortium of Investigative Journalists, Frontline, KQED and others.

Previously, Montgomery was a senior reporter at American Public Media, a special correspondent for the BBC and an associate producer with CBS News. He began his career in eastern Europe, covering the fall of communism and wars in former Yugoslavia for the Daily Telegraph and Los Angeles Times. His investigations into human rights abuses in the Balkans led to the arrest and conviction of Serbian and Albanian paramilitaries and creation of a new war crimes court based in The Hague. Montgomery’s honors include Murrow, Peabody, IRE, duPont, Third Coast and Overseas Press Club awards. He is based in Reveal’s Emeryville, California, office.

Nikki Frick is the associate editor for research and copy for Reveal. She previously worked as a copy editor at the Milwaukee Journal Sentinel and held internships at The Boston Globe, the Los Angeles Times and Washingtonpost.com. She has a bachelor’s degree in journalism from the University of North Carolina at Chapel Hill and was an American Copy Editors Society Aubespin scholar. Frick is based in Milwaukee.

Jim Briggs III is the senior sound designer, engineer and composer for Reveal. He supervises post-production and composes original music for the public radio show and podcast. He also leads Reveal’s efforts in composition for data sonification and live performances.

Prior to joining Reveal in 2014, Briggs mixed and recorded for clients such as WNYC Studios, NPR, the CBC and American Public Media. Credits include “Marketplace,” “Selected Shorts,” “Death, Sex & Money,” “The Longest Shortest Time,” NPR’s “Ask Me Another,” “Radiolab,” “Freakonomics Radio” and “Soundcheck.” He also was the sound re-recording mixer and sound editor for several PBS television documentaries, including “American Experience: Walt Whitman,” the 2012 Tea Party documentary “Town Hall” and “The Supreme Court” miniseries. His music credits include albums by R.E.M., Paul Simon and Kelly Clarkson.

Briggs’ work with Reveal has been recognized with an Emmy Award (2016) and two Alfred I. duPont-Columbia University Awards (2018, 2019). Previously, he was part of the team that won the Dart Award for Excellence in Coverage of Trauma for its work on WNYC’s hourlong documentary special “Living 9/11.” He has taught sound, radio and music production at The New School and Eugene Lang College and has a master’s degree in media studies from The New School. Briggs is based in Reveal’s Emeryville, California, office.

Fernando Arruda is a sound designer, engineer and composer for Reveal. As a multi-instrumentalist, he contributes to the original music, editing and mixing of the weekly public radio show and podcast. He has held four O-1 visas for individuals with extraordinary abilities. His work has been recognized with Peabody, duPont-Columbia, Edward R. Murrow, Gerald Loeb, Third Coast and Association of Music Producers awards, as well as Emmy and Pulitzer nominations. Prior to joining Reveal, Arruda toured as an international DJ and taught music technology at Dubspot and ESRA International Film School. He worked at Antfood, a creative audio studio for media and TV ads, and co-founded a film-scoring boutique called the Manhattan Composers Collective. He worked with clients such as Marvel, MasterClass and Samsung and ad agencies such as Framestore, Trollbäck+Company, BUCK and Vice. Arruda releases experimental music under the alias FJAZZ and has performed with many jazz, classical and pop ensembles, such as SFJAZZ Monday Night Band, Art&Sax quartet, Krychek, Dark Inc. and the New York Arabic Orchestra. His credits in the podcast and radio world include NPR’s “51 Percent,” WNYC’s “Bad Feminist Happy Hour” and its live broadcast of Orson Welles’ “The Hitchhiker,” Wondery’s “Detective Trapp,” MSNBC’s “Why Is This Happening?” and NBC’s “Born to Rule,” to name a few. Arruda also has a wide catalog of composed music for theatrical, orchestral and chamber music formats, some of which has premiered worldwide. He holds a master’s degree in film scoring and composition from NYU Steinhardt. The original music he makes with Jim Briggs for Reveal can be found on Bandcamp.

Jess Alvarenga (they/she) is an associate producer for Reveal. They are an audio producer and documentary filmmaker from the American South. Meeting at the intersection of art and journalism, they use storytelling as a way to document and reimagine immigrant narratives, particularly those of the Central American diaspora. In 2017, Alvarenga was awarded an individual artist grant from the Houston Arts Alliance and the City of Houston for their work on the city’s Central American population. They have a master’s degree in journalism from UC Berkeley.

Steven Rascón (he/they) is a production assistant for Reveal. He is pursuing a master’s degree at the UC Berkeley Graduate School of Journalism with a Kaiser Permanente Institute for Health Policy Fellowship. His focus is investigative reporting and audio documentary. He has written for online, magazines and radio. His reporting on underreported fentanyl overdoses in Los Angeles’ LGBTQ community aired on KCRW and KQED. Rascón is passionate about telling diverse stories for radio through community engagement. He holds a bachelor of fine arts degree in theater arts and creative writing.

Kathryn Styer Martínez (she/ella) is a production assistant for Reveal. She studies audio and photojournalism at the UC Berkeley Graduate School of Journalism. She is also a Greater Good Science Center reporting fellow, focusing on Latino well-being.

Martínez was the 2020-21 Toni Randolph reporting fellow at Minnesota Public Radio, the 2019-20 New Economy Reporting Project fellow and the former director of KGPC-LP FM, Peralta Community Radio. Her work has appeared in El Tecolote, The Oaklandside, MPR News, National Public Radio, Outside Online, Talk Poverty, New Life Quarterly and Making Contact.

She earned bachelor’s degrees in Raza studies and political science from San Francisco State University.

Kevin Sullivan is the executive producer of Reveal’s public radio show and podcast. He joined Reveal from the daily news magazine show “Here & Now,” where he was senior managing editor. There, he helped lead the expansion of the show as part of a unique partnership between NPR and WBUR. Prior to radio, Sullivan worked as a documentary film producer. That work took him around the world, with stories ranging from reconciliation in Northern Ireland to the refugee crisis during the war in Kosovo.

Following the 9/11 terrorist attacks, Sullivan launched an investigative unit for CBS in Baltimore, where he spearheaded investigations on bioterrorism and the U.S. government’s ability to respond to future threats. He also dug into local issues. His exposé of local judges found widespread lax sentencing of repeat-offender drunken drivers. Other investigations included sexual abuse by Roman Catholic priests, and doctors who sold OxyContin for cash. Sullivan has won multiple journalism awards, including several Edward R. Murrow awards, a Third Coast / Richard H. Driehaus Foundation Competition award and an Emmy. He has an MBA from Boston University.

Sullivan is based in Reveal’s Emeryville, California, office.

Shereen Marisol Meraji is an audio producer and reporter who has told stories with sound for twenty years. Meraji helped create NPR’s critically acclaimed Code Switch podcast, which she also co-hosted. In 2020, Apple Podcasts named Code Switch its first-ever show of the year. As a founding member the Code Switch team, Meraji has reported on race, racism and racial identity formation since 2013 with a particular focus on Latino issues. She’s currently a Nieman Fellow working alongside a cohort of 21 brilliant journalists spending an academic year at Harvard focusing on, “some of the most urgent issues facing the industry, ranging from racial justice to disinformation.” In July 2022 Meraji heads to the University of California, Berkeley where she’ll be a professor of race in journalism, teaching the next generation of audio journalists while continuing to publish her own work. When she’s not telling stories that help us better understand the people we share the planet with, Shereen Marisol Meraji is dancing to salsa music, baking brownies or kicking around a soccer ball.