celebration earth day disney released film earth stopping far short strident message gloom doom treated excellent footage animals habitats without feeling bad ourselvesbr br the stars show herd elephants family polar bears whale calf narrative begins north pole proceeds south reach tropics introduced denizens various climatic zones traversedbr br global warming mentioned view wanderings polar bear note made shrinking sea ice islands recent years never see bears catch seals fathers desperate search food leads dangerous solutionbr br the aerial shots caribou migrating across tundra one spectacular wildlife shots ever saw another migrating wildfowl enough reward price admission see big screenbr br one disappointments felt otherwise terrific shots great white sharks taking seals filmed slow motion never get sense one characteristic wild animals incredible speed idea slowing film convey great quickness think began or least first recall seeing television show kung fu early seventiesbr br an interesting sidelight credits roll end demonstrations cinematographic techniques employed revealed enough dramatic humorous instructive moments movie make solid choice nature buffs perhaps selective editing sparing us were grisly end preypredator moment fact footage released  available dvd solid film right take kidsbr br three stars