Tree Risk Assessment for Community Trees webinar, Tuesday, Dec. 4, 12-1 p.m. ET. Participation in the web seminar does not require any special software. To view live and previously recorded seminars all you need is a high-speed Internet connection and sound. To take part in the live seminar, visit [1]. Login in by registering as a guest (type your name). To view previously recorded webinars, please visit: [2].