Five Things to Know Today: January 23

1. Christmas trees will be collected today, along with leaf waste, in Whitpain Township. Trees must be placed curbside.

2. A Code Blue is in effect in Montgomery County from 9 a.m. today through 9 a.m. Monday. Winter conditions pose a threat of serious harm or death to individuals without shelter. The air temperature and wind chill will be 20 degrees Fahrenheit or less.

3. L’Angolo Blue, 602 Skippack Pike, Blue Bell, holds a business networking night at 5 p.m.

4. Business Play Group holds a gathering at Salon Esperanza in Ambler at 6 p.m. The event is free to attend, with fun people and solid networking.

5. Chess Club meets at 7 p.m. at Wissahickon Valley Public Library, 650 Skippack Pike, Blue Bell.