il ▁of ▁Social ▁E col ogy ▁ 1 9 9 9 ▁at ▁the ▁H umb old t - Univers ity ▁of ▁Berlin , ▁with ▁reviews ▁from ▁Ru pert ▁R ied l ▁and ▁Vitt orie ▁H ös le . ▁ ▁In ▁a ▁project ▁spons ored ▁by ▁the ▁German ▁Federal ▁Ministry ▁of ▁Education ▁and ▁Research , ▁H os ang ▁together ▁with ▁the ▁environmental ▁scient ist ▁Ber nd ▁Mark ert ▁and ▁the ▁bio chem ist ▁Stefan ▁Fr än z le ▁compared ▁various ▁so cio - ec ological ▁thinking ▁and ▁research ▁approaches ▁and ▁developed ▁the ▁theory ▁of ▁the ▁bi oc ult ural ▁or ▁" em ot ional ▁matrix " ▁ ▁- ▁an ▁emot ional ▁depth ▁structure ▁which , ▁according ▁to ▁her ▁opinion , ▁is ▁the ▁basis ▁of ▁all ▁human ▁cult ures ▁and ▁soci eties ▁and ▁which ▁has ▁a ▁similar ▁meaning ▁to ▁social ▁systems ▁as ▁the ▁gen etic ▁code ▁for ▁bi otic ▁systems . ▁ ▁Further ▁focus es ▁of ▁his ▁work ▁are ▁the ▁connections ▁between ▁e col ogy , ▁eth ics , ▁love ▁and ▁freedom ▁as ▁well ▁as ▁of ▁sust ain ability ▁and ▁happiness ▁research . ▁ ▁T ogether ▁with ▁the ▁artist ▁Ulrich ▁Sch oll me yer ▁and ▁others , ▁he ▁developed ▁and ▁realized ▁the ▁Philosoph ical ▁Exper ience ▁Ex hib ition ▁at ▁the ▁Lebens g ut ▁P omm ritz . ▁ ▁T ogether ▁with ▁Heinrich ▁K ron b ich ler , ▁Dol ores ▁Rich ter ▁and ▁Sim one ▁Deb our , ▁he ▁initi ated ▁ 2 0 1 4 ▁the ▁philosophy ▁festival ▁of ▁love ▁held ▁in ▁Berlin