Lang & O'Leary Exchange | Jun 9, 2014 | 6:36

    Toronto's trees worth $7B

    TD Bank economist Craig Alexander explains why Toronto's urban forest has been valued at about $7 billion

    Now Playing on CBC Radio Help Refresh

    Live audio streams for phones and tablets: Radio One and CBC Music (Radio 2, Radio 3 and more)

    CBC Radio One

    Listen Live Ottawa change

    CBC Radio 2

    Listen Live Eastern change

    CBC Radio 3

    Listen Live Radio 3