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Zach Theiler

Zach Theiler

Zach Theiler is a Washington, D.C.-based freelance journalist covering topics related to the environment, global development and travel. He writes for various nonprofit organizations, including Oceanic Society, and his work has been published in the New Humanitarian, Devex and Context by the Thomson Reuters Foundation.

Stories from Zach Theiler

After finding cold seeps on the seafloor of the Arctic Ocean, scientists collected samples of the sediment, which sometimes rested more than 1,000 feet below the surface.

The Race for Hydrogen Fuel Has Taken These Scientists to the Arctic Seafloor. But Can They Unlock Its Secrets Before It’s Too Late?

On challenging expeditions, researchers have collected deep-sea bacteria that naturally produce hydrogen, exploring and documenting an ancient ecosystem that may soon be altered forever

Modern fish traps require pilings that are driven into the riverbed and netting that reaches across part of a river.

Fish Traps Have Been Banned on the Columbia River for Nearly a Century. Could Bringing Them Back Help Save Salmon?

A new experiment is testing the commercial success of fish traps in Washington and Oregon. Even as some conservationists embrace the technique, its return has reopened old wounds among local fishers

The only human development on Tetepare is a small research center and ecolodge on the western corner of the island, which is otherwise covered in lush rainforest and lined by coral reefs and meadows of seagrass.

Why Is Tetepare the South Pacific’s Largest Uninhabited Island?

Descendants of the island’s former inhabitants struggle to balance environmental conservation with sustaining their community’s livelihoods

A pangolin emerges from an underground tunnel at night at Save Vietnam’s Wildlife, a group that runs a pangolin conservation program inside the Cuc Phuong National Park in Vietnam.

Will the Traditional Chinese Medicine Industry End the Pangolin?

The creature is being trafficked across Africa and Asia to fuel a steady demand for their scales, an ingredient in unproven remedies