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While most Americans believe that the Middle East is the source of most of the world's oil, in fact Canada exports more oil to the United States than any other country, and the province of Alberta is home to one of the largest oil fields on Earth, a supply so large that it alone could satisfy the global demand for petroleum for fifty years. However, the oil in Alberta is what as known as "oil sand," and it's the dirtiest and least pure of all types of oil. Extracting useable oil from oil sand is a process that requires a great deal of energy and lots of water -- four barrels… More
Rotten Tomatoes Score: 14%

Critic Reviews from Rotten Tomatoes

"H2Oil is a hard-hitting, if thoroughly depressing eco-documentary that demands to be seen."
‑ Matthew Turner, ViewLondon
""It's the biggest unsustainable development on the planet," says one campaigner, indirectly explaining the need for three films that tell us that. Form and content in perfect harmony."
‑ Xan Brooks, Guardian
"While H2Oil undeniably addresses important environmental and economic issues, it might, in keeping with its subject, have been more, well, slick."
‑ Anton Bitel, Film4
"It never distinguishes between its moving human stories and a general eco-activism, which does nothing much to sharpen their individual cases."
‑ Derek Malcolm, This is London
"Walsh's documentary is shot with flair but its message and innovative touches just miss the mark."
‑ Patrick Peters, Empire Magazine
"Sadly, the lacklustre expert testimonies and lengthy sequences of executive intransigence in the face of community indignation fail to grab the attention, rendering this a laudable but dull exposť of a growing environmental concern."
‑ David Parkinson, Radio Times
"The arguments propounded on behalf of the environment look faultless, but they could be distilled into a 10-minute video campaign rather than stretched beyond an hour."
‑ Anthony Quinn, Independent
More reviews for H2Oil on Rotten Tomatoes