One of the most worrying effects of global warming is diminished biodiversity. As the climate around them changes, flora and fauna are facing conditions increasingly different from those they adapted to in order to survive. Using spectacular images, this film examines a recent discovery: the northward migration within the northern hemisphere of animal and plant species in the search for a cooler climate through so-called biological corridors"”areas sparsely populated by man which may provide refuge for the survival of all living beings.
