Labels:book | bulletin board | monitor | reckoner | sky OCR: Green Environment complete introduction Environmental Protection Hot topic to learn Children need to know For all who love the earth Do you think of the future? Will there be fresh air to breathe? Will you need wear anti-radioactive clothing when facing the sun? Will natural water sources become so polluted that all drinking water must be treated? All on one CD-ROM Five kinds of pollution (air water land, noise and space) conservation of our planet. and garbage recycling are described in detail. Environment makes explained Save Make Learn our learning with simple! simple Earth! fun! of basic With No English Some the theory knowledge easy use or of -to-follow graphical calculations environmental methods are interpretation are involved protection shown and so All easy sound that topics and c ...
