We know where trees grow, but what about ideas? Writer and literary scholar Samantha Walton used to think of research centers as static offices and corridors, hubs for ideas to cluster and sprout. But at the Landhaus, an eco-farm in Bavaria, it is on walks with other fellows where their “thoughts strung out like threads across the paths” they traversed together.

In this article, environmentalist Hayal Desta considers the impact of agrarian practices and climate change on Lake Ziway, Ethiopia.

In this Springs article, historian Paul S. Sutter considers the “Knowledge Anthropocene” as well as deep time in George Perkins Marsh’s understanding of the construction of Panama’s Darién canal.

This issue of Earth First! is filled with essays about various themes such as sustainable agriculture, nuclear disarmament, and deep ecology.