Plankton collected in the Pacific Ocean with a 0.1mm mesh net. Seen here is a mix of multicellular organisms — small zooplanktonic animals, larvae and single protists (diatoms, dinoflagellates, radiolarians) — the nearly invisible universe at the bottom of the marine food chain. Christian Sardet/CNRS/Tara Expeditions hide caption

itoggle caption Christian Sardet/CNRS/Tara Expeditions

A morning's berry harvest from West Philadelphia's Ogden Orchard includes raspberries, gooseberries, currants, goumis and mulberries. Courtesy of Philadelphia Orchard Project hide caption

itoggle caption Courtesy of Philadelphia Orchard Project

Rancher Ross Frank worries that funding to fight fires in Western communities like Chumstick, Wash., has crowded out important land management work. Rowan Moore Gerety/Northwest Public Radio hide caption

itoggle caption Rowan Moore Gerety/Northwest Public Radio

The White House announced an action plan Tuesday aimed at reversing dramatic declines in pollinators like honeybees, which play a vital role in agriculture, pollinating everything from apples and almonds to squash. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

Demolition crews remove the last remains of a house that was destroyed by Superstorm Sandy, which battered parts of the East Coast, in 2013. Wayne Parry/AP hide caption

itoggle caption Wayne Parry/AP

A man and his drone: Carlos Casteneda of the Amazon Basin Conservation Association prepares to launch one of his plastic foam planes. Jason Beaubien/NPR hide caption

itoggle caption Jason Beaubien/NPR

Researchers meet participants: (from left) investigator Jose Luis Roca; Dr. Ernesto Ortiz; study participants Rainer Leon and his mother, Rina Leon Chanbilla; and nurse Jennifer Rampas. Jason Beaubien/NPR hide caption

itoggle caption Jason Beaubien/NPR

This aerial view shows the effects of gold mining on Peru's rain forest. Courtesy of Gregory Asner, Carnegie Institution for Science hide caption

itoggle caption Courtesy of Gregory Asner, Carnegie Institution for Science