It's part of the city’s latest efforts to encourage “social distancing” to prevent the spread of coronavirus.
Five umbrellas will be equipped with solar-powered charging technology by April.
The council's Tuesday meeting came shortly after the University of Maryland announced it would be extending spring break by a week and moving classes online for at least two weeks.
The “tree trimming” project was an attempt to increase safety measures for pilots flying at night, the airport's manager said.
UMD suspended study abroad programs in China, Italy and South Korea this semester.
Paint Branch Elementary School, Hollywood Elementary School and Greenbelt Middle School all received $8,000 checks at Tuesday's City Council meeting.
The lot on which the park will sit has been empty since residents donated it to the city in 1999.
The hotel will replace a county-owned parking lot.
The two researchers won a $1.5 million grant to investigate how terrorists are created and rehabilitated.
The city discussed plans to spend $30,000 in total on the celebration.