President Clinton’s Executive Order 12898 and subsequent federal environmental justice (EJ) policies and programs have faced significant challenges in implementation. Exploring scientific uncertainty, social complexity of EJ issues, lack of clear policy guidance, and weak regulatory enforcement demonstrate these challenges. However, at the state level, EJ policies, task forces, and...
Sudden oak death is caused by the clonally reproducing generalist oomycete Phytophthora ramorum. The pathogen can infect more than 130 different plant hosts including Quercus spp., Larix kaempferi, and Notholithocarpus densiflorus, as well as common nursery genera such as Rhododendron and Camelia, where it causes symptoms ranging from bleeding cankers...
Enumerative combinatorics is an area of mathematics that is both highly accessible for students and widely applicable to other sciences and areas of mathematics (Kapur, 1970; Lockwood, Wasserman, & Tillema, 2020). One important class of problems in combinatorics is combinatorial proofs of binomial identities, which is a type of proof...