Nyanja ndi moyo zimagwirizana kwambiri. Zaka zoposa 3 biliyoni zapitazo, munyanja munali zamoyo. Nyanja ndi chinthu chabwino chomwe tiyenera kuchisunga komanso chomwe timadalira m'njira zambiri: chimatidyetsa, chimayendetsa nyengo, chimatilimbikitsa, ...
Koma zochita za anthu zimakhudza kwambiri thanzi la m’nyanja. Ngati lero tikukamba zambiri za kuipitsidwa, kusodza mopitirira muyeso, palinso nkhawa zina zomwe zimagwirizanitsidwa mwachitsanzo ndi kusintha kwa nyengo, kukwera kwa nyanja kapena acidification ya madzi.
Zosinthazi zikuwopseza kugwira ntchito kwake, zomwe ndizofunikira kwa ife.
Maphunzirowa amakupatsani makiyi ofunikira kuti akuthandizeni kuzindikira chilengedwe chomwe chili nyanja: momwe chimagwirira ntchito ndi gawo lake, mitundu yosiyanasiyana ya zamoyo zomwe zimabisala, zinthu zomwe Humanity imapindula nazo komanso kukuthandizani kumvetsetsa zomwe zikuchitika komanso zovuta zomwe zikuchitika. zomwe ziyenera kukwaniritsidwa kuti zisungidwe.
Kuti tifufuze nkhani zingapo ndikumvetsetsa zovuta izi, tiyenera kuyang'anana wina ndi mnzake. Izi ndi zomwe MOOC ikupereka posonkhanitsa aphunzitsi 33 ofufuza ndi asayansi ochokera m'masukulu ndi mabungwe osiyanasiyana.
