▁er os ion ▁and ▁often ▁requiring ▁large ▁amounts ▁of ▁fert il izer ▁to ▁maintain ▁while ▁containing ▁little ▁tree ▁and ▁wild - life ▁b iod iversity ▁compared ▁to ▁vir gin ▁for ests . ▁Also , ▁the ▁new ▁trees ▁plant ed ▁are ▁not ▁as ▁big ▁as ▁the ▁trees ▁that ▁were ▁cut ▁down , ▁and ▁the ▁argument ▁that ▁there ▁will ▁be ▁" more ▁trees " ▁is ▁not ▁comp elling ▁to ▁forest ry ▁advoc ates ▁when ▁they ▁are ▁counting ▁sap lings . ▁ ▁In ▁particular , ▁wood ▁from ▁tropical ▁rain for ests ▁is ▁rarely ▁har v ested ▁for ▁paper ▁because ▁of ▁their ▁heter ogene ity . ▁According ▁to ▁the ▁United ▁Nations ▁Framework ▁Convention ▁on ▁Cl imate ▁Change ▁secret ariat , ▁the ▁over wh el ming ▁direct ▁cause ▁of ▁def or est ation ▁is ▁subs istence ▁far ming ▁( 4 8 % ▁of ▁def or est ation ) ▁and ▁commercial ▁agricult ure ▁( 3 2 % ), ▁which ▁is ▁linked ▁to ▁food , ▁not ▁paper ▁production . ▁ ▁Green house ▁gas ▁emission ▁reduction ▁also ▁benefits ▁from ▁the ▁development ▁of ▁the ▁rec y cling ▁industry . ▁In ▁Kit ak y ush u , ▁the ▁only ▁green ▁growth ▁model ▁city ▁in ▁Asia ▁selected ▁by ▁O E CD , ▁rec y cling ▁indust ries ▁are ▁strongly ▁promoted ▁and ▁finan cially ▁supported ▁as ▁part ▁of ▁the ▁E co - town ▁program ▁in ▁Japan . ▁Given ▁the ▁industrial ▁sector ▁in ▁Kit ak y ush u ▁accounts ▁for ▁more ▁than ▁ 6 0 % ▁energy ▁consumption ▁of ▁the ▁city , ▁the ▁development ▁of ▁rec