A bee collects pollen in a sunflower field, Monday, Sept. 1, 2014, near Lawrence, Kan. The 40-acre field planted annually by the Grinter family draws bees and lovers of sunflowers alike during the weeklong late summer blossoming of the flowers. (AP Photo/Charlie Riedel)

Portland bans pesticides harmful to bees

The Portland City Council has banned the use by the city of a class of pesticides particularly harmful to bees, including one that is the mo…