Across Washington State, hydroelectric dams are blocking salmon as they migrate to their spawning grounds. Enter the salmon cannon. Ingrid Taylar/Flickr hide caption

itoggle caption Ingrid Taylar/Flickr

The orchids that produce vanilla beans have no natural pollinators in Madagascar; the plant must be pollinated by hand — a labor-intensive process with little margin for error. Courtesy of Madécasse hide caption

itoggle caption Courtesy of Madécasse

Bob O'Connor, a Foster Farms veterinarian, holds an 11-day-old chick at a ranch near the town of Merced, in California's Central Valley. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

Tractors sit on a sugarcane plantation on the land of a Guarani-Kaiowá indigenous community in Brazil, where Oxfam has alleged "land grabs" unfairly take land from the poor. The United Nations is drafting voluntary guidelines for "responsible investment in agriculture and food systems" in response to such concerns. Tatiana Cardeal/Courtesy of Oxfam hide caption

itoggle caption Tatiana Cardeal/Courtesy of Oxfam

What's on the menu at Tim Hortons? Coffee and doughnuts --” and also sandwiches and pastries. meddygarnet /Flickr hide caption

itoggle caption meddygarnet /Flickr

Edibles available at LoDo Wellness Center, a retail marijuana and medical marijuana dispensary and grow facility in downtown Denver. Matthew Staver/Landov hide caption

itoggle caption Matthew Staver/Landov

Meat is displayed in a case at a grocery store in Miami in July. Pork and beef prices are up more than 11 percent since last summer. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

Yolanda Andujar and her daughter Astrid bake together every weekend. Andujar primarily makes the cakes while Astrid, a graphic designer by day, makes elaborate decorations using fondant and bright colors. Néstor Pérez-Molière/Courtesy of Feet in 2 Worlds hide caption

itoggle caption Néstor Pérez-Molière/Courtesy of Feet in 2 Worlds