▁City . ▁ ▁Political ▁activ ist ▁Alfred o ▁Sir k is ▁became ▁a ▁political ▁activ ist ▁during ▁the ▁military ▁regime ▁( 1 9 6 4 – 1 9 8 5 ) ▁and ▁soon ▁one ▁of ▁the ▁leaders ▁of ▁the ▁Rio ▁high ▁school ▁students ’ ▁movement ▁in ▁ 1 9 6 8 . ▁ ▁In ▁the ▁early ▁sevent ies , ▁he ▁took ▁part ▁in ▁urban ▁gu err illa ▁activities ▁against ▁the ▁regime , ▁in ▁the ▁V PR , ▁a ▁g ue var ist ▁group ▁led ▁by ▁former ▁army ▁captain ▁Carlos ▁L amar ca . ▁The ▁group ▁was ▁dec im ated ▁and ▁Sir k is ▁managed ▁to ▁escaped ▁the ▁country ▁to ▁ex ile . ▁He ▁lived ▁in ▁France , ▁Chile , ▁Argentina ▁and ▁Portugal ▁from ▁ 1 9 7 1 ▁to ▁ 1 9 7 9 . ▁ ▁He ▁was ▁in ▁Chile ▁during ▁the ▁ 1 9 7 3 ▁coup ▁and ▁in ▁Argentina ▁the ▁following ▁year . ▁He ▁worked ▁as ▁a ▁journalist ▁in ▁France ▁and ▁Portugal . ▁ ▁Back ▁to ▁Brazil ▁after ▁the ▁ 1 9 7 9 ▁am n esty , ▁he ▁worked ▁as ▁a ▁rep orter ▁for ▁week ly ▁mag az ines , ▁Ve ja ▁and ▁I sto é ▁and ▁became ▁one ▁of ▁the ▁organiz ers ▁of ▁the ▁environmental ▁groups ▁that ▁mobil ized ▁in ▁the ▁ 1 9 8 0 s ▁to ▁defend ▁the ▁Amazon ▁rain for est ▁and ▁to ▁address ▁urban ▁e col ogy ▁issues . ▁He ▁collabor ated ▁closely ▁with ▁late ▁rub ber ▁t apper ▁leader ▁Ch ico ▁M endes ▁and