In the last 100 years atmospheric carbon dioxide has risen to about 30 percent above pre-industrial levels.
The film aims to combine the art of nature documentary with a campaigning quest that has been followed up by Hong Kong-based Australian film director Craig Leeson over the past year regarding the menace of plastic from Sardinia to Canada to the Indian Ocean.
The California Department of Fish and Game has blamed the die-off on oxygen deprivation and is also testing fish for toxins at its animal forensics laboratory. Results are not expected until next week.
A survey has been set out to find the unexplored depth of the ocean, of what it is in store for there now and in the future.