A powerful documentary which is lacking in definitive facts. The first 20 minutes are spot on showing alarming symptoms of climate change, but most of the rest are merely political maneuverings and false promises straight from Gore's propaganda machine.
Both global warming and ocean acidification are due to excessive amounts of Green-House Gasses be released into the environment. It is only through ending GHG emissions that climate change can be halted, yet Gore insists on pointing to wind & solar (which currently form a hybrid power system with piped methane gas) as the best alternatives to fossil fuels. A shame RE proponents aren't more enthusiastic about nuclear power as Gore Sr was back in the 1950's.
Gore Jr's behind the scene's work at the COP21 may be admirable in intention and genius in execution, but do little to advance an actual solution to the climate change problem. Unlike the efforts of actual scientists attending Cop21 {energyforhumanity dot org/en/news-events/events/2015/efh-summary-achievements-cop21-paris}, Gore is more fluff (and personal profit) than substance.
Other persons worth listening to on the subject are James Lovelock {https://youtu dot be/mYP22KfI8lw}, Bruno Comby {ecolo dot org}, and proponents of Eco-Modernism {www.ecomodernism dot org/authors}.
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