10 mau manaʻo no ka zero makehewa Kalikimaka
He aha inā i kēia makahiki ua koho mākou i kahi Kalikimaka ʻōmaʻomaʻo e hauʻoli ai i ka wā e noʻonoʻo ana i ka honua? Eia 10 mau manaʻo hoʻopau ʻole.
E koho i kahi lāʻau maoli
Ma Palani, kūʻai ʻia ʻo 5,5 miliona i kēlā me kēia makahiki, me hoʻokahi miliona mau lāʻau artificial. ʻAʻole pono nā lāʻau palaki i ka mālama ʻana, akā he pōʻino ko lākou kaulike kaiaola: lawe ʻo 48,3 kg o CO2 i 3,1 kg no kahi lāʻau maoli. No laila ʻoi aku ka maikaʻi o ke koho ʻana i kahi lāʻau maoli, a i ʻole kahi lāʻau āu e hana ai iā ʻoe iho.