es , ▁a ▁feature - length ▁document ary ▁with ▁Irish - Can ad ian ▁botan ist , ▁medical ▁bio chem ist ▁and ▁author ▁D iana ▁Ber es ford - K ro eg er ▁as ▁its ▁main ▁subject . ▁Direct ed ▁by ▁Pe ab ody ▁Award - w inner ▁Jeff ▁McK ay ▁( F at ▁Ch ance , ▁ 4 0 ▁Years ▁of ▁One ▁Night ▁St ands ), ▁the ▁document ary ▁follows ▁Ber es ford - K ro eg er ▁as ▁she ▁vis its ▁the ▁world ' s ▁northern ▁for ests , ▁expl oring ▁the ▁many ▁benefits ▁of ▁trees ▁in ▁sust aining ▁human ▁and ▁e colog ical ▁well - be ing . ▁▁ ▁Call ▁of ▁the ▁Forest ▁was ▁given ▁the ▁Nature ▁Award ▁at ▁the ▁ 2 0 1 6 ▁Cinema ▁Ver de ▁Festival , ▁and ▁has ▁played ▁at ▁other ▁international ▁festiv als ▁including ▁Festival ▁Paris cience ▁in ▁ 2 0 1 7 , ▁and ▁Wild ▁& ▁Sc en ic ▁Film ▁Festival ▁in ▁ 2 0 1 8 . ▁The ▁film ▁was ▁nominated ▁for ▁the ▁Rob ▁Stewart ▁Award ▁for ▁Best ▁Science ▁or ▁Nature ▁Document ary ▁Program ▁or ▁Series ▁at ▁the ▁ 2 0 1 8 ▁Canadian ▁Screen ▁Awards . ▁It ▁also ▁screen ed ▁at ▁independent ▁cin emas ▁across ▁Canada ▁including ▁the ▁W inn ip eg ▁Cin emat he que , ▁where ▁it ▁broke ▁a ▁ 3 0 - year ▁box ▁office ▁record ▁for ▁tick ets ▁sold . ▁A ▁one - hour ▁version ▁of ▁the ▁film ▁a ired ▁on ▁TV O ▁in ▁ 2 0 1