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Overview | Exploring Oceans


from afar the world is blue with an

from afar the world is blue with an all-encompassing ocean the source of all

all-encompassing ocean the source of all

all-encompassing ocean the source of all life

without the ocean earth would be as

without the ocean earth would be as bleak as barren as Mars or the moon with

bleak as barren as Mars or the moon with

bleak as barren as Mars or the moon with every drop of water you drink every

every drop of water you drink every

every drop of water you drink every breath you take there connected things

breath you take there connected things

breath you take there connected things better

like lumisi generates about 70% of the

like lumisi generates about 70% of the oxygen in the atmosphere it absorbs much

oxygen in the atmosphere it absorbs much

oxygen in the atmosphere it absorbs much of a carbon dioxide the ocean tribes

of a carbon dioxide the ocean tribes

of a carbon dioxide the ocean tribes climate and weather regulates stabilizes

climate and weather regulates stabilizes

climate and weather regulates stabilizes temperature shapes Earth’s chemistry

water evaporates from the surface of the

water evaporates from the surface of the sea forms clouds the return water to

sea forms clouds the return water to

sea forms clouds the return water to land Nancy his rain sleet

the ocean covers nearly three-quarters

the ocean covers nearly three-quarters of the Earth’s surface but that’s just

of the Earth’s surface but that’s just

of the Earth’s surface but that’s just the surface

the average depth is four kilometers the

the average depth is four kilometers the maximum 11 kilometers seven miles down

it should be no surprise that 97% of

it should be no surprise that 97% of births living space is ocean space the

births living space is ocean space the

births living space is ocean space the greatest abundance and diversity of life

greatest abundance and diversity of life

greatest abundance and diversity of life is there with forms that represent

is there with forms that represent

is there with forms that represent nearly all of the major categories

nearly all of the major categories

nearly all of the major categories plants animals and microbes that exist

plants animals and microbes that exist

plants animals and microbes that exist on earth

life abounds even at the greatest depth

life abounds even at the greatest depth where the pressure is more than a

where the pressure is more than a

where the pressure is more than a thousand times greater than at the

thousand times greater than at the

thousand times greater than at the surface diving into the sea is like

surface diving into the sea is like

surface diving into the sea is like diving into the history of life on Earth

diving into the history of life on Earth

diving into the history of life on Earth we’re creatures proceed humankind like

we’re creatures proceed humankind like

we’re creatures proceed humankind like hundreds of millions appears

it’s a vast liquid realm where

it’s a vast liquid realm where diaphanous creatures time jellies squids

diaphanous creatures time jellies squids

diaphanous creatures time jellies squids silvery fish creatures that illuminate

silvery fish creatures that illuminate

silvery fish creatures that illuminate the deep-sea darkness with their own

the deep-sea darkness with their own

the deep-sea darkness with their own living white

the terrain below holds most of the

the terrain below holds most of the world’s mountains entire chains of Peaks

world’s mountains entire chains of Peaks

world’s mountains entire chains of Peaks that run down the major ocean basins

that run down the major ocean basins

that run down the major ocean basins like giant backbones

most of the planets volcanoes are in the

most of the planets volcanoes are in the see many forming the underpinnings of

see many forming the underpinnings of

see many forming the underpinnings of islands such as Hawaii the Galapagos

islands such as Hawaii the Galapagos

islands such as Hawaii the Galapagos Iceland and thousands of others

with new technologies submarines ships

with new technologies submarines ships satellites we’ve discovered more about

satellites we’ve discovered more about

satellites we’ve discovered more about the ocean in the past half-century than

the ocean in the past half-century than

the ocean in the past half-century than during all preceding history yet most of

during all preceding history yet most of

during all preceding history yet most of the ocean about 95% has yet to be seen

the ocean about 95% has yet to be seen

the ocean about 95% has yet to be seen by human eyes let alone explored far

by human eyes let alone explored far

by human eyes let alone explored far into the 20th century people thought

into the 20th century people thought

into the 20th century people thought that the sea was infinite in its

that the sea was infinite in its

that the sea was infinite in its capacity to heal whatever we wanted to

capacity to heal whatever we wanted to

capacity to heal whatever we wanted to take from him

take from him

take from him accept whatever we disposed of there

over the years hundreds of millions of

over the years hundreds of millions of tons of ocean wildlife have been

tons of ocean wildlife have been

tons of ocean wildlife have been extracted

and hundreds of millions of tons of

and hundreds of millions of tons of noxious waste have been put into the

noxious waste have been put into the

noxious waste have been put into the scene

scene

scene industrial fishing has depleted fish and

industrial fishing has depleted fish and

industrial fishing has depleted fish and other ocean wildlife some nearly to

other ocean wildlife some nearly to

other ocean wildlife some nearly to extinction many large and even small

extinction many large and even small

extinction many large and even small species of creatures have declined by

species of creatures have declined by

species of creatures have declined by more than 90% in half a century

trolls and nets scraped the seafloor to

trolls and nets scraped the seafloor to catch shrimp the bottom-dwelling fish

catch shrimp the bottom-dwelling fish

catch shrimp the bottom-dwelling fish scallops and oysters

scallops and oysters

scallops and oysters they’re the equivalent of using

they’re the equivalent of using

they’re the equivalent of using bulldozers to catch songbirds and

bulldozers to catch songbirds and

bulldozers to catch songbirds and squirrels pollutants from agriculture

squirrels pollutants from agriculture

squirrels pollutants from agriculture industrial waste and sewage have seeped

industrial waste and sewage have seeped

industrial waste and sewage have seeped into the ocean accumulating in the rain

into the ocean accumulating in the rain

into the ocean accumulating in the rain organisms even in the icy waters of the

organisms even in the icy waters of the

organisms even in the icy waters of the Arctic and the Antarctic more than 300

Arctic and the Antarctic more than 300

Arctic and the Antarctic more than 300 dead zones out darkened coastal areas

plastic debris has dumped in such

plastic debris has dumped in such quantities that a huge floating mass of

quantities that a huge floating mass of

quantities that a huge floating mass of garbage twice the size of Texas has

garbage twice the size of Texas has

garbage twice the size of Texas has formed in the Pacific and plastic clogs

formed in the Pacific and plastic clogs

formed in the Pacific and plastic clogs the shores of even remote Pacific

the shores of even remote Pacific

the shores of even remote Pacific Islands the construction of coastal

Islands the construction of coastal

Islands the construction of coastal cities has brought about the loss of

cities has brought about the loss of

cities has brought about the loss of coral reefs mangrove forests and vast

coral reefs mangrove forests and vast

coral reefs mangrove forests and vast wetlands and the birds and marine life

wetlands and the birds and marine life

wetlands and the birds and marine life that once thrived there

recent changes in the ocean are

recent changes in the ocean are compounding the impacts of global

compounding the impacts of global

compounding the impacts of global warming and in turn climate change

warming and in turn climate change

warming and in turn climate change increasing sea level and acidification

increasing sea level and acidification

increasing sea level and acidification are altering the nature of you

now we know one of the great discoveries

now we know one of the great discoveries of our time is that there are limits to

of our time is that there are limits to

of our time is that there are limits to what we can take out and what we can put

what we can take out and what we can put

what we can take out and what we can put in without dire consequences to the

in without dire consequences to the

in without dire consequences to the nature of the ocean thus to the

nature of the ocean thus to the

nature of the ocean thus to the underpinnings of what makes life

underpinnings of what makes life

underpinnings of what makes life possible from us

now that we know we can do what it takes

now that we know we can do what it takes to reverse the troubling trends to treat

to reverse the troubling trends to treat

to reverse the troubling trends to treat the ocean as if our lives depend on it

the ocean as if our lives depend on it

the ocean as if our lives depend on it because they do

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