Grist List

Animals

Humans and dolphins conspire to kill fish

Off the coast of Brazil, dolphins and humans have been working together to snare mullet since 1847. Ed Yong reports at Discover Magazine: The dolphins drive the mullet towards the fishermen, who stand waist-deep in water holding nets. The humans cannot see the fish through the turbid water. They must wait for their accomplices. As the fish approach, the dolphins signal to the humans by rolling at the surface, or slapping the water with their heads or tails. The nets are cast, and the mullet are snared. Some manage to escape, but in breaking formation, they are easy prey for …

Cities

Meatpacking plant turns into net-zero-energy vertical farm

Soon, a former meatpacking plant in Chicago will replace carcasses and rendering vats with bakers and brewers and fish farmers and mushroom growers. The Plant (ho ho, a double meaning!) is gathering together a bunch of food-makers to create a self-sustaining system in the 93,500-square-foot abandoned space. As Fast Company reports, a former meatpacking plant is the perfect place to start a food business of this kind: It already contains “food-grade materials” which are safe for food preparation.

Critical List: Natural gas bigwig steps down as company chair; new coral reefs

Aubrey McClendon, chair of the natural gas company Chesapeake Energy, is giving up his role as chairman (but will remain CEO). McClendon faced criticism for mixing his personal finances with the company’s business. More Indonesian palm oil plantations are going on peatland, which means more intensive carbon emissions, which means … well, you guys know what that means. In the Pacific, climate change could create some new coral reefs.