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Climate Change 101 with Bill Nye | National Geographic


we hear it so much that it feels like a

we hear it so much that it feels like a buzzword but it is far from it climate

buzzword but it is far from it climate

buzzword but it is far from it climate change is a real and serious issue but

change is a real and serious issue but

change is a real and serious issue but isn’t the climate always changing

isn’t the climate always changing

isn’t the climate always changing what exactly is climate change why

what exactly is climate change why

what exactly is climate change why should we care for the Earth’s climate

should we care for the Earth’s climate

should we care for the Earth’s climate has changed throughout history most of

has changed throughout history most of

has changed throughout history most of these slight changes are caused by small

these slight changes are caused by small

these slight changes are caused by small variations in the Earth’s orbit but

variations in the Earth’s orbit but

variations in the Earth’s orbit but climate change as we know it today is

climate change as we know it today is

climate change as we know it today is characterized by an abrupt increase in

characterized by an abrupt increase in

characterized by an abrupt increase in the earth’s temperature it is estimated

the earth’s temperature it is estimated

the earth’s temperature it is estimated to have gotten 1.2 to 1.4 degrees

to have gotten 1.2 to 1.4 degrees

to have gotten 1.2 to 1.4 degrees Fahrenheit warmer in just the last

Fahrenheit warmer in just the last

Fahrenheit warmer in just the last century 10 out of the last 13 years were

century 10 out of the last 13 years were

century 10 out of the last 13 years were the warmest on record 97% of climate

the warmest on record 97% of climate

the warmest on record 97% of climate scientists agree that this new tendency

scientists agree that this new tendency

scientists agree that this new tendency is not caused by the variations of the

is not caused by the variations of the

is not caused by the variations of the Earth’s orbit but rather very likely

Earth’s orbit but rather very likely

Earth’s orbit but rather very likely caused by human activities that means

caused by human activities that means

caused by human activities that means you me and since the Industrial

you me and since the Industrial

you me and since the Industrial Revolution we have come a long way

Revolution we have come a long way

Revolution we have come a long way humans built airplanes faster cars

humans built airplanes faster cars

humans built airplanes faster cars developed remarkable technology and

developed remarkable technology and

developed remarkable technology and learned how the natural resources around

learned how the natural resources around

learned how the natural resources around us can be used for our benefit although

us can be used for our benefit although

us can be used for our benefit although this has led to many wonderful

this has led to many wonderful

this has led to many wonderful inventions and advancements like the

inventions and advancements like the

inventions and advancements like the device you’re using to watch this video

device you’re using to watch this video

device you’re using to watch this video or the ability to take a plane halfway

or the ability to take a plane halfway

or the ability to take a plane halfway around the world

around the world

around the world it also means we have increased our

it also means we have increased our

it also means we have increased our consumption of natural resources and in

consumption of natural resources and in

consumption of natural resources and in turn released a lot of greenhouse gases

turn released a lot of greenhouse gases

turn released a lot of greenhouse gases into the atmosphere

into the atmosphere

into the atmosphere now greenhouse gases occurred naturally

now greenhouse gases occurred naturally

now greenhouse gases occurred naturally but in excess can be dangerous to our

but in excess can be dangerous to our

but in excess can be dangerous to our planet modern human activities have

planet modern human activities have

planet modern human activities have increased the release of non naturally

increased the release of non naturally

increased the release of non naturally occurring greenhouse gases because we

occurring greenhouse gases because we

occurring greenhouse gases because we have stepped up our demand for burning

have stepped up our demand for burning

have stepped up our demand for burning fossil fuels the composition of

fossil fuels the composition of

fossil fuels the composition of greenhouse gases

greenhouse gases

greenhouse gases traps heat radiated from the Sun the

traps heat radiated from the Sun the

traps heat radiated from the Sun the more heat they trap the warm our planet

more heat they trap the warm our planet

more heat they trap the warm our planet gets and as our planet gets warmer we

gets and as our planet gets warmer we

gets and as our planet gets warmer we begin to feel the effects

begin to feel the effects

begin to feel the effects what if climate changes biggest victims

what if climate changes biggest victims

what if climate changes biggest victims our oceans oceans regulate the earth’s

our oceans oceans regulate the earth’s

our oceans oceans regulate the earth’s temperature and provide 50 percent of

temperature and provide 50 percent of

temperature and provide 50 percent of the Earth’s oxygen a climate change has

the Earth’s oxygen a climate change has

the Earth’s oxygen a climate change has increased the global temperature of the

increased the global temperature of the

increased the global temperature of the oceans by more than point three degrees

oceans by more than point three degrees

oceans by more than point three degrees Fahrenheit since 1969 although a warmer

Fahrenheit since 1969 although a warmer

Fahrenheit since 1969 although a warmer ocean might seem inviting to a beach

ocean might seem inviting to a beach

ocean might seem inviting to a beach goer it actually has devastating

goer it actually has devastating

goer it actually has devastating consequences for supporting life at sea

consequences for supporting life at sea

consequences for supporting life at sea one of those consequences is ocean

one of those consequences is ocean

one of those consequences is ocean acidification a direct effect of

acidification a direct effect of

acidification a direct effect of increased dissolved co2 since the late

increased dissolved co2 since the late

increased dissolved co2 since the late 18th century ocean surface acidification

18th century ocean surface acidification

18th century ocean surface acidification is increased by 30 percent a higher acid

is increased by 30 percent a higher acid

is increased by 30 percent a higher acid content means calcifying species

content means calcifying species

content means calcifying species like oysters and clams shallow water

like oysters and clams shallow water

like oysters and clams shallow water corals are at risk putting the entire

corals are at risk putting the entire

corals are at risk putting the entire ocean food web at risk this is bad news

ocean food web at risk this is bad news

ocean food web at risk this is bad news for the one building people relying on

for the one building people relying on

for the one building people relying on the ocean as its primary source of

the ocean as its primary source of

the ocean as its primary source of protein climate changes also caused the

protein climate changes also caused the

protein climate changes also caused the sea level to rise just in the last

sea level to rise just in the last

sea level to rise just in the last century sea levels have risen 6.7 inches

century sea levels have risen 6.7 inches

century sea levels have risen 6.7 inches but the rate in the last decade is

but the rate in the last decade is

but the rate in the last decade is nearly doubled sea levels have risen

nearly doubled sea levels have risen

nearly doubled sea levels have risen because as the ocean gets warmer it

because as the ocean gets warmer it

because as the ocean gets warmer it swells on top of that glaciers and ice

swells on top of that glaciers and ice

swells on top of that glaciers and ice sheets are melting an article oz 36

sheets are melting an article oz 36

sheets are melting an article oz 36 cubic miles of ice between 2002 and 2005

cubic miles of ice between 2002 and 2005

cubic miles of ice between 2002 and 2005 and since 1994 each year on average the

and since 1994 each year on average the

and since 1994 each year on average the earth has lost 400 billion tons from its

earth has lost 400 billion tons from its

earth has lost 400 billion tons from its glaciers that’s like an ice cube seven

glaciers that’s like an ice cube seven

glaciers that’s like an ice cube seven and a half kilometres on a site for

and a half kilometres on a site for

and a half kilometres on a site for miles on a side melting and flowing into

miles on a side melting and flowing into

miles on a side melting and flowing into the sea when all that ice melts it fills

the sea when all that ice melts it fills

the sea when all that ice melts it fills up our oceans and just like filling up a

up our oceans and just like filling up a

up our oceans and just like filling up a bathtub the shores can’t hold all that

bathtub the shores can’t hold all that

bathtub the shores can’t hold all that water and coastal regions get flooded

water and coastal regions get flooded

water and coastal regions get flooded troubling signs of climate change are

troubling signs of climate change are

troubling signs of climate change are increased extreme weather events natural

increased extreme weather events natural

increased extreme weather events natural disasters like floods tornadoes and

disasters like floods tornadoes and

disasters like floods tornadoes and deadly heat waves are more obvious to

deadly heat waves are more obvious to

deadly heat waves are more obvious to humans because of their immediate impact

humans because of their immediate impact

humans because of their immediate impact and their sharing of the images in the

and their sharing of the images in the

and their sharing of the images in the media climate change as we know it today

media climate change as we know it today

media climate change as we know it today is change in our Earth’s overall

is change in our Earth’s overall

is change in our Earth’s overall temperature with massive and permanent

temperature with massive and permanent

temperature with massive and permanent ramifications although its consequences

ramifications although its consequences

ramifications although its consequences can be planet threatening scientists

can be planet threatening scientists

can be planet threatening scientists still believe there are things we can do

still believe there are things we can do

still believe there are things we can do on a personal level to help recycle and

on a personal level to help recycle and

on a personal level to help recycle and reuse things walk or use public

reuse things walk or use public

reuse things walk or use public transportation to get to work turn off

transportation to get to work turn off

transportation to get to work turn off your electronics when you’re not using

your electronics when you’re not using

your electronics when you’re not using them eat less meat while you’re at it

them eat less meat while you’re at it

them eat less meat while you’re at it eat more locally grown vegetables and

eat more locally grown vegetables and

eat more locally grown vegetables and foods and last but not least spread your

foods and last but not least spread your

foods and last but not least spread your knowledge and concerns about climate

knowledge and concerns about climate

knowledge and concerns about climate change with others when it comes to

change with others when it comes to

change with others when it comes to climate change the main takeaway is that

climate change the main takeaway is that

climate change the main takeaway is that it’s real and although we are part of

it’s real and although we are part of

it’s real and although we are part of the cause we can also be part of the

the cause we can also be part of the

the cause we can also be part of the solution

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