• The Potential Big Impact of Trump’s Clean Water Rollback (National Geographic, June 2017)
• Most people don’t see how climate change is affecting their lives—and that’s a problem (Popular Science, June 2017)
• The Boreal Is Burning (Take Part, November 30, 2015)
• How Water is Reshaping the West (Nova Next, November 11, 2015)
• Are Harvard’s Dying Hemlocks a Warning for Trees Everywhere? (National Geographic, April 2015)
• Nature’s Anti-Aging Secret (Discover, June 2014)
• Seven Wonders of a Hopeful World (Ensia, January 5, 2014)
• Palm Oil is Everywhere (Ensia, October 2013)
• Return of the Natives: How Wild Bees Will Save Our Agriculture System (Scientific American, September 1, 2013)
• Allergies in the Time of Research (New York Times, July 21, 2013)
• Is Conservation Extinct? (Ensia, July 2013)
• Pregnant Pause (Ensia, June 2013)
• Chop and Change (United Hemispheres, May 2013)
• Mapping the Microbiome (NOVA, February 2013) 
• Studying Seemingly Immortal Species (The New York Times, December 2012)
• Attack of the Mutant Pupfish (Wired, November, 19 2012) This story won a 2013 AAAS-Kavli award and an SEJ award for Outstanding Feature Story.
• A Chemist Comes Very Close to a Midas Touch (The New York Times, October 15, 2012)
• The Color of Bunny (High Country News, February 6, 2012) This story won a 2013 NASW Science in Society Award.
• Spotted Horses in Cave Art Weren’t Just a Figment, DNA Shows (The New York Times, November 7, 2011)
• A Colorful Way to Watch Evolution in Nebraska’s Sand Dunes (The New York Times, August 8, 2011)
• The Low-Hanging Fruit (Popular Science, July 2011)
• The New Green Economy (Wired UK, October 2010)
• For the Love of Fish (Audubon, July/August 2010)
• One Tough Sucker (High Country News, June 7, 2010) This story won a 2010 AAAS Kavli award!
• Why the Buffalo Can’t Roam (OnEarth, May 11, 2010)

• The Birds and the Bees (Newsweek, December 14, 2009)
• The Future of Our Forests (The Denver Post, December 6, 2009)
• Homeless on the Range (OnEarth, December 3, 2009)
• Earth in the Balance Sheet (Mother Jones, Nov/Dec 2009)
• The Borneo Identity (Town&Country, October 2009)
• Q&A: The Big Dig (OnEarth, Fall 2009)
• A Green Victory in the Bag? (The Big Money, October 5, 2009)
• Orangutan Orphans Have Nowhere to Go (Newsweek, August 17, 2009)
• A Slow-Moving Disaster (High Country News, August 17, 2009)
• The Future of Farming: Solutions for a Hungry World (Popular Science, August 2009)
• Scrubbing Out Sea Life (Slate, June 16, 2008)
• Banff in the Crosshairs (Men’s Journal, April 2008)
• Seeds to Save a Species (Popular Science, January 2008)
• Rainforests: Carbon Sink or Carbon Source? (Seed, April/May 2006)
• Rain Forest Gets Too Much Rain, and Animals Pay the Price (The New York Times, March 7, 2006)
• Turning Genetically Engineered Trees Into Toxic Avengers (The New York Times, August 3, 2004)
• Just a Little Bear and Breakfast Place (The New York Times, May 2, 2002)

Sustainable Living/Green Building

• Etiquette: Planning a Green Wedding (Town & Country Weddings, spring/summer 2008)
• Purely Paradise (Town & Country, April 2007)
• The Blog Generation Takes Up Its Trowels (The New York Times, May 6, 2004)
• Getting Her Goat (Grist, September 2, 2003)
• Sacrificing the Trees to Save the House (The New York Times, July 10, 2003)
• Way Out West, Plastic and Poppies (The New York Times, May 29, 2003)
• Salvage Decor, Ready for Its Closeup (The New York Times, December 5, 2002)
• Need Coasters? Dust Off Those LPs (The New York Times, December 13, 2001)

• High Steaks (Audubon, January/February 2009)
• Food Fight (Audubon, November/December 2008)
• On the Brink (Audubon, September/October 2008)
• Hell on Earth (Audubon, March/April 2008)
• Lost in the Wilderness (Audubon, November/December 2007)
• Tapped Out (Audubon, March/April 2007)
• Scary Beast (Audubon, January/February 2005)

• A Rocket Engine for the Masses (Popular Science, June 2008)
• A World of Data to Help Your Plans to Go Skiing (The New York Times, March 11, 2008)
• Telltale Isotopes in Marijuana Are Nature’s Tracking Devices (The New York Times, August 21, 2007)
• On the Ice (5280, March 2006)
• At the Foot of the Rockies, a Radioactive Wasteland Is Transformed (The New York Times, June 7, 2005)
• The Science of O (New York Magazine, April 23, 2001)

• The Future of Energy: A Realist’s Roadmap to 2050 [Hydro] [Wind] [Fossils] (Popular Science, July 2009)
• Why, What a Smart Grid You Have! (OnEarth, Spring 2009)
• The Energy Challenge: Cooking Up More Uses for the Leftovers of Biofuel Production (The New York Times, August 8, 2007)

• Living Large, But on the Fly (The New York Times, August 5, 2004)
• Deliver Us From Evil (New York Magazine, October 29, 2001)
• Gimme Shelter (New York Magazine, July 2, 2001)
• Hollywood vs the Hacker (New York Magazine, October 16, 2000)