Johnson became Schreyer's dean in 2017 and joined Penn State's faculty in 1996.
While at Penn State, Arnelle served at the forefront of the university's civil rights movements and was its first Black student body president.
Students will be required to leave their on-campus residences by 4 p.m. on Sunday, November 22.
The College of Engineering will celebrate its 125th anniversary with a November 12 event.
The solar project will help lower Penn State's emissions while saving it more than $14 million over 25 years.
Birx stressed the importance of increased testing and mitigating the coronavirus' "silent spread" Wednesday.