M'zaka zaposachedwapa, ndi kupita patsogolo kwa anthu ndi chitukuko cha sayansi ndi zamakono, makamaka kuitanitsa misonkhano ya nyengo ya Copenhagen ndi Cancun, mfundo za mphamvu zobiriwira ndi chitukuko chokhazikika zakhala zikudziwika kwambiri.Monga makampani akutukuka kumene, deve ...
Werengani zambiri