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Just weeks after the earthquake that took more than 200,000 lives, Avi Lewis finds that debates over how to rebuild Haiti are already underway. (22:35 min)

This concluding episode reveals, through time and isolation, how animals and plants on the Galapagos Islands have evolved in the most surprising ways to cope with the profound geological and climatic forces affecting them. (49 min)

What if life on Earth began in outer space? This updated History Channel documentary explores evidence of super-human influences on ancient man and embarks on an around-the-world search for answers. (90 min, 9 segments)

This film traces the great river Ganges through North India and explores the colourful natural history of the Gangetic Plains. (48 min, 5 segments)

Islands that Changed the World weaves into the history of the Galapagos islands the observations of early human visitors including Charles Darwin. (50 min, 5 segments)

Tilda Swinton narrates this gorgeously filmed BBC documentary Galapagos. Born of Fire explores the natural life cycle of the strategically located Galapagos islands. (48 min, 5 segments)

The sixth and last episode of the BBC documentary South Pacific Diaries is all about the impact of humans on the Pacific Ocean. (58 min, 6 segments)

Strange Islands looks at the unusual animal life of the South Pacific. Species have evolved new behaviour to take advantage of ecological niches. (54 min, 6 segments)