An environmental charity is calling on would-be volunteers to find out how they can help at a presentation tomorrow evening.

Greenrock is inviting all its members and supporters to enjoy free food and drinks at the informal gathering at the ACE building in Hamilton from 5.30 p.m. to 8.30 p.m. when president Andrew Vaucrosson will give a presentation on upcoming projects that need assistance.

Those planning to attend should call 747-ROCK (7625) or email volunteers@greenrock.org.