this documentary make you travel all around the globe . it contain rare and stunning sequel from the wilderness . it show you how diversified and how fragile our planet can be . the polar bear future be highlight at the beginning and at the end of it . after all and it bleak future be closely link with the consequence of global warming . this documentary be however a simplistic approach of such a serious environmental issue . it can nonetheless be easily see by young child since it mainly remain descriptive . scientist might well be disappoint a it be not a remake of al gore documentary an inconvenient truth but frankly . what a description . a question may then arise represent isn not it worth preserve our world beauty . because this documentary prove that in 2007 such a beauty still exist despite the different pollution . by live in town and city we tend to forget that we be part and parcel of this nature . all thing consider this documentary remind u that we own a common treasure call earth .