"We'll possibly never know if these particular ones do have water oceans or signs of life, " she said.
The film is based on the results of a large-scale research programme on the oceans, called Census of Marine Life, whose main findings will be presented at the conference.
For us, they packed up their few worldly possessions and traveled across oceans in search of a new life.
Unless something is done to reverse the decline in Europe's fish stock, the oceans here will be as devoid of life as deserts are in just four decades from now, President Grimsson said.
"We've lost 17 percent of all plant life in the Atlantic, 26 percent in the North Pacific and in the sub-tropical oceans 50 percent or more of plant life has disappeared, " he said.
The Census of Marine Life reported that phytoplankton, the microscopic plants producing most of the oxygen from the oceans, have been declining by around 1% a year since 1900.
The schooner has travelled 62, 000 miles across the Atlantic, Pacific, Antarctic and Indian oceans investigating the effects of global warming on biodiversity and marine life, particularly focusing on marine plankton.
By working with leading scientific institutions, we will collate data and catalogue life forms and unlock the wonders of the oceans still unknown to humankind or science.
It's less useful, of course, for people who made their teeth before bomb testing started in 1955, and it will become ever less useful as more of the bomb carbon is absorbed by oceans and plant and animal life.
The 500 billion tons of carbon dioxide deposited in our oceans since the beginning of the Industrial Revolution are making seawater more acidic, already affecting life in cold-water areas such the Pacific Northwest.
Life in the oceans is being eliminated so rapidly that science can barely measure how much of it is gone.
In the ancient oceans, green rust's ability to pull nickel out of the water would have been critical for some life forms, since nickel is an important nutrient for microbes that produce methane.
Would we care more if we could see the higher concentrations of carbon dioxide being absorbed into our oceans, making seawater more acidic, endangering coral reefs and marine life and threatening to fundamentally disrupt ocean ecosystems and food webs?
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