I am currently an investigative reporter for ProPublica, and my work for that organization can be found on its website. Selected longform feature articles from my past can be found below. I am also a frequent contributor to the website of The New Yorker, and those articles can be found here. ​​​

• October 8, 2021: A Shaman's Fight to Save Indonesia's Last Subsistence Whalers (National Geographic): A remote island community faces internal and external pressures over keeping ancient practice. An extension of my reporting for my book The Last Whalers. 
• March 10, 2021: American Battlefield: 72 Hours in Kenosha (GQ): Last summer, in a small Wisconsin city, the country’s fiercest differences collided in the streets—and a teenager named Kyle Rittenhouse opened fire, shooting three people. In the aftermath, a disquieting question loomed: Were these among the first shots in a new kind of civil war? (Longform pick, Sunday Long Reads pick, Politico pick)
• March 2, 2021: Internet Access Complicates the Coup in Myanmar (NewYorker.com) The country can’t function with the Internet turned off, but, as long as it remains on, pro-democracy protesters can’t easily be controlled. 
• November 17, 2020: Inside the Cutthroat, Chaotic Gray Market for N95 Masks (The New York Times Magazine): As the country heads into a dangerous new phase of the pandemic, the government’s management of the P.P.E. crisis has left the private sector still straining to meet anticipated demand. (New York Times "Great Reads" and "The Weekend" selection; Longform pick)
• October 28, 2020: Arrested. Tortured. Imprisoned. The U.S. Contractors Abandoned in Kuwait (The New York Times Magazine): Dozens of military contractors, most of them Black, have been jailed in the emirate — some on trumped-up drug charges. Why has the American government failed to help them? (One of Longform's "Best of 2020" picks, #2 Longreads Pick of the Week, Longform pick, Politico pick, VQR best of the week pick) 
• July 28, 2020:  Review of "Fathoms: The World in the Whale"  by Rebecca Giggs (The New York Times Book Review)
• April 30, 2020: Inside the Nightmare Voyage of the Diamond Princess (GQ): At the start of the coronavirus outbreak, one ill-fated cruise ship became a symbol for the panic and confusion that would soon engulf the globe.  This is what two harrowing weeks trapped aboard the ocean liner felt like—for unsuspecting tourists, for frightened crew members, even for the captain himself. (Best American Travel Writing selection 2020, winner of the Lowell Thomas Silver Award in Travel News/Investigative Reporting, one of Longreads's "Best of 2020" picks, #1 Longreads and The Journal pick of the week, and a pick of the week for Longform, The Sunday Longreads, Flip Board, and Apple News) 
• August 22, 2019: The American Missionary and the Uncontacted Tribe (GQ): When a 26-year-old American missionary set out for a lush island in the Indian Ocean last year, it was with one objective in mind: to convert the uncontacted Sentinelese tribe, who had lived for centuries in isolation, free from modern technology, disease, and religion. John Chau's mission had ambitions for a great awakening, but what awaited instead was tragedy. (Finalist for Livingston Award for International Reporting, finalist for the Excellence in Features Award from the Society of Features Journalists, "Best of 2019: International Reporting" The Sunday Long Read, and Longform and The Sunday Long Read #1 pick of the week)
• July 3, 2019: Review of "The Ice at the End of the World" by Jon Gertner (The New York Times Book Review)
• March 26, 2019: The Underground Railroad of North Korea (GQ): For over two decades, a secret network has worked tirelessly to help thousands of refugees escape the world's worst dictatorship. This is the story of one desperate woman who risked her life to reach freedom, and of the complicated man who led the way. (Longform and The Sunday Long Read pick of the week)
• February 26, 2019: How Civilian Firms Fact-Check North Korea’s Denuclearization Efforts (NewYorker.com)
• February 24, 2019: A Tearful Close to North Carolina’s Election-Fraud Hearings (NewYorker.com)
• January 2019: The Last Hunt (Men's Journal): A father attempts to teach his son how to spear a sperm whale. (The Sunday Long Read pick) 
• December 4, 2018: A Republican Operative Faced Prior Allegations of Election Fraud in a Disputed North Carolina District (NewYorker.com)
• December 2, 2018: Allegations of G.O.P. Election Fraud Shake North Carolina’s Ninth District (NewYorker.com)
• November, 2018: The Whalers' Odyssey (The Atavist): A courageous tribe, a colossal foe, and a terrifying ocean voyage... (Longreads #3 Pick of the Week, Longform Pick of the Week, Truly Adventurous #1 Pick of the Week)
• October 4, 2018: Why the Tsunami in Indonesia Struck Without Warning (NewYorker.com)
• September 27, 2018: The Difficulty of Counting the Death Toll from Hurricane Florence (NewYorker.com)
• September 20, 2018: For the Victims of Florence, Trump Needs to Prove that He Can Get Hurricane Recovery Right (NewYorker.com)
• September 18, 2018: Two Years After a Devastating Hurricane, a North Carolina Town Is Again at the Center of the Flood (NewYorker.com)
• September 15, 2018: Inside the National Weather Service, the Digital Eye of Hurricane Florence (NewYorker.com)
• September 12, 2018: Riding Out Hurricane Florence in Wilmington, North Carolina (NewYorker.com)
• July 23, 2018: The Untold Story of Otto Warmbier, American Hostage (GQ) President Trump hailed him as a catalyst of the summit with Kim Jong-Un. But what happened to Warmbier—the American college student who was sent home brain-damaged from North Korea—is even more shocking than anyone knew.
  • Nominated for the National Magazine Award in Reporting by GQ, The Sunday Long Read  #1 Pick of the Week, Longform Pick of the Week, Longreads Pick,  #1 trending news item on Apple News and other aggregators, highlighted in newsletters from The New York Times, Washington Post, Politico Playbook, Digg.com, MuckRack, etc.
  • Finalist for the 2019 Excellence-in-Features Narrative Storytelling Award from the Society for Features Journalists, the citation of which read: "You might think you know the story of Otto Warmbier, the American college student who was taken prisoner by North Korea, but Clark’s amazing tale will astound you. Meticulous research went into this important piece of work."
• April 2018: Down by the River (Men's Journal): I was undertaking the first kayak expedition down the middle section of Myanmar's Irrawaddy River when tragedy struck...  
• March 19, 2018: A Crap Deal for Duplin County (Rolling Stone): How lax regulation made it cheaper for China to outsource pork production – and all of its environmental and human costs – to the U.S.  (The Sunday Long Reads pick, New Food Economy pick)
• January 16, 2018: Everything You Say Can and Will Be Used Against You (WIRED): A profile of a university professor grappling with the ethical challenges resulting from having created a database that monitors thousands of members of the Alt-Right. 
• November 2017: The Lost Genocide (Pulitzer Center on Crisis Reporting, Longreads and South China Morning Post): An investigation into the Rohingya genocide and why the international community has done nothing about it (nominated for the National Magazine Award by Longreads, Longreads, Pulitzer Center on Crisis Reporting, Longreads Pick).  Read the South China Morning Post edition of it here.
• October 31, 2017: What happened when girls tried to start surfing in conservative, Islamic Bangladesh (ELLE, Flipboard Top Ten Pick)
• September 28, 2017: What happens when one of the world's most isolated countries  suddenly gets the internet? (WIRED)
• September 25, 2017: The Untold Story of the Accidental Assassins of North Korea (GQ):The assassination of the former heir to North Korea's throne, which involved a weapon of mass destruction, secret agents, and two unwitting farm girls (​nominated for the National Magazine Award in Reporting by GQ,  Longform #1 Pick of the Week, Longreads Pick, The Sunday Pick of the Week, Digg.com pick, GQ best of the year pick) 
• August 31, 2017: An endangered form of cooperative hunting between dolphins and humans in Myanmar (The New York Times)
• May 28, 2017: Why Is the USA Trying to Remake the World's Prisons? (Buzzfeed): America's little-known program to reshape foreign prisons after our own and whether or not that is a great idea (Longreads pick)
• May 28, 2017: A tourist resort at the edge of a war zone (The New York Times)
• April 20, 2015: The Bot Bubble (The New Republic): Life in a Philippine Facebook profile factory and the unexpected nobility of hackers (The New Republic, finalist for the 2016 Mirror Award, Longreads #2 Pick of the Week)
• April 18, 2017: Why fifty years of war in Myanmar's Kachin state won't end (Foreign Policy)
• April 15, 2017: What life is like as the posterboy of the resistance against Trump: a profile of Jon Ossoff (Mother Jones)
• March 6, 2015: What it's like to have the murder of your best friend spark an international media firestorm (The Huffington Post)
• November 18, 2012: New York City's main supplier of balloons and all things inflatable (The New York Times)
• October 21, 2012: A kitchen for Indonesians far from home (The New York Times) 
• 2011: The struggles of one man and his society to rebuild their lives in the wake of the deadliest natural disaster in modern history (Glimpse Fellowship, Byliner pick) 
• 2011: The difficulties of buying just the right headscarf for a date in a city ruled by sharia law, where a woman is very much judged by what she wears (Glimpse Fellowship) 
• 2011: The ethics of eating dog (Wend Magazine)