Terrain.org's columns include the issue's Guest Editorial as well as regular columns from the editors:
 

Guest Editorial: Three Catastrophes, One Sky
Kierán Suckling, Center for Biological Diversity

Humans have long labored under the illusion that we live on an energetically benign Earth. In fact we live beneath vegetative and atmospheric overstories that protect us from incoming waves of enormous energy. It is not clear that humans, or at least advanced human societies, can exist if those canopies are destroyed or degraded.

The Literal Landscape: The Essential Landscape of Memory
Simmons B. Buntin, Terrain.org Editor/Publisher

Tied to each landscape is an incident of sorts: sifting for Indian artifacts, fleeing family turmoil, paddling beneath heavy canopy with friends. It is not a stretch, for the more intense memories particularly, to call them sagas, spanning single incidents and strings of memories that navigate the dark evenings of my mind like a skein of clamorous geese.
  

Bull Hill: NightinGala
by David Rothenberg, Terra Nova Editor

Okay, said some critics, you tell us what should be done in your book, so why not go out and do it?  That is why I came up with the idea of the NightinGala, a gathering of select musicians and scientists deep in the understory of the Finnish forest, just an hour outside Helsinki at the retreat center of the Sibelius Academy, the greatest music school in the North.
  
  

Plein Air: Out in the Field, Under the Tent
by Deborah Fries, Terrain.org Editorial Board Member

It’s a warm summer morning and even though we are only twenty miles southwest of downtown Philadelphia, it feels as though we are hundreds of miles from urban life, here in this sandy expanse of rain-puddled yard and slept-in semis, the scents of an on-lot septic system mixing with cigarettes and mildew.