At Benoit Merlo’s organic farm in eastern France.

A locust swarm in central Kenya in 2020. The area of the globe under threat could expand by up to 25 percent in the coming decades.

A pigeon at a closed shopping area near Sensoji Temple in Tokyo.

A doctor tended to a malaria patient affected by flooding in a hospital in Sehwan, Pakistan, last year.

South Korea began a four-week prevention-and-disinfection campaign in dormitories, buses, trains and other public places, including Seoul’s Incheon Airport.

Lappet-faced vultures, Shredder and Kenya, residents of the Maryland Zoo in Baltimore.

Emilie Gaultier, co-owner of Dogscan, a French canine bedbug detecting company, with her dog Rio during a visit to a client in Paris this week.