Inset: Hana Fancher processes biogeochemical samples in Costa Rica. Photo by Phil Taylor. Background: A palm oil plantation, showing the wastewater lagoons that emit methane. Photo courtesy of Greenpeace.
Studying erosion rates on Baffin Island: Kurt Refsnider evaluates a rock outcrop, searching for an optimal site to sample for cosmogenic radionuclide analysis to evaluate long-term erosion rates. Photo by Matthew Kennedy, Earth Vision Trust, August 2013.