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Ice stacking on Lake Superior

Ice stacking on Lake Superior

(1:56) Lake Superior puts on a dramatic ice show at Duluth, Minnesota. February 13, 2016.

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Guest: (605 days ago)

Our climate is changing, that's for sure.

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Our climate is changing, that's for sure.

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guest123456789 guest123456789 (605 days ago)

Although I agree with you that the climate is chaing a little, there is nothing in that video that shows any evidence of changing climate. Lake Superior has done this for hundreds of years during winter months.

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Although I agree with you that the climate is chaing a little, there is nothing in that video that shows any evidence of changing climate. Lake Superior has done this for hundreds of years during winter months.

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WalterEgo WalterEgo (605 days ago)

A 1C rise is not a little change if you consider that an ice age is only about 6C or 7C cooler.

But a 1C rise is not totally disasterous. The terrible flooding we are having in the UK this winter has not crashed economy, only wrecked the lives of many thousands, maybe millions of people.

But the climate isn't stabilising, so those terrible floods will soon be the norm, if they are not already. That's what scientists are warning us about - that 1C will become 2C, which will then become 3C etc. When the dinosaurs were around, it was about 4C warmer and sea level was about 25m higher than today.

The good news is that humans have caused the 1C rise, so therefore humans can also do something about it. At least in theory.

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A 1C rise is not a little change if you consider that an ice age is only about 6C or 7C cooler.

But a 1C rise is not totally disasterous. The terrible flooding we are having in the UK this winter has not crashed economy, only wrecked the lives of many thousands, maybe millions of people.

But the climate isn't stabilising, so those terrible floods will soon be the norm, if they are not already. That's what scientists are warning us about - that 1C will become 2C, which will then become 3C etc. When the dinosaurs were around, it was about 4C warmer and sea level was about 25m higher than today.

The good news is that humans have caused the 1C rise, so therefore humans can also do something about it. At least in theory.

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Guest: Flopsy (605 days ago)

I live in UK. Where are the millions of peoples whose lives have been wrecked this winter?

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I live in UK. Where are the millions of peoples whose lives have been wrecked this winter?

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Guest: (604 days ago)

A bit of an exageration because the truth is less convincing.

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A bit of an exageration because the truth is less convincing.

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guest123456789 guest123456789 (605 days ago)

We are still in an ice age and we are coming out of it. That's why the temperature is increasing. That 1C rise you're referring to is minor considering that we are currently at 16C and should end up at 25C eventually to get back to our normal pre-ice age temperatures.

Sorry you're experiencing climates that make your life uncomfortable but that is nothing compared to what you will experience when we get back to BAU.

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We are still in an ice age and we are coming out of it. That's why the temperature is increasing. That 1C rise you're referring to is minor considering that we are currently at 16C and should end up at 25C eventually to get back to our normal pre-ice age temperatures.

Sorry you're experiencing climates that make your life uncomfortable but that is nothing compared to what you will experience when we get back to BAU.

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Guest: jechill (605 days ago)

More climate change deniers, meanwhile polar bears are dying of hunger.

Come north and see the damage for yourself.

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More climate change deniers, meanwhile polar bears are dying of hunger.

Come north and see the damage for yourself.

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Guest: Drumbeat (605 days ago)

All of the CO2 in the ground as coal, oil & gas (biogenic or thermogenic) came from the earth's atmosphere by photosynthesis, directly or indrectly, yes all of it. Only 10% of the oil is thought to have been preserved for the industry, mostly it leaks to surface over the years and biodegrades.

Burning it now places the CO2 back where it belongs for plants to use.

The sun's "weather" controls the earth's weather.

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All of the CO2 in the ground as coal, oil & gas (biogenic or thermogenic) came from the earth's atmosphere by photosynthesis, directly or indrectly, yes all of it. Only 10% of the oil is thought to have been preserved for the industry, mostly it leaks to surface over the years and biodegrades.

Burning it now places the CO2 back where it belongs for plants to use.

The sun's "weather" controls the earth's weather.

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WalterEgo WalterEgo (605 days ago)

"The sun's "weather" controls the earth's weather." True, but that's only part of the story. The sun heats the Earth, greenhouse gases trap the heat. Change the balance and the climate changes. Human activity is changing the balance. We have increased CO2 in the atmosphere by 40% in the past 150 years.

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"The sun's "weather" controls the earth's weather." True, but that's only part of the story. The sun heats the Earth, greenhouse gases trap the heat. Change the balance and the climate changes. Human activity is changing the balance. We have increased CO2 in the atmosphere by 40% in the past 150 years.

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Guest: jechill (605 days ago)

Correct. But.

If it weren't for the earth's atmosphere much of the heat from the sun would be lost to space and the planet would become cold, like mars.

Hundreds of degrees above on the sunny side.

Hundreds of degrees below on the dark side.

The oceans and the atmosphere distribute the heat around. **** those two up and no more people.

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Correct. But.

If it weren't for the earth's atmosphere much of the heat from the sun would be lost to space and the planet would become cold, like mars.

Hundreds of degrees above on the sunny side.

Hundreds of degrees below on the dark side.

The oceans and the atmosphere distribute the heat around. **** those two up and no more people.

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Guest: jechill (605 days ago)

nope.

co2 is a greenhouse gas which acts like a blanket over the earth.

The more co2, the more heat is retained by the earth. Plants absorb co2 and store it, then it goes into the ground when the plant dies. This has trapped hundred of billions of tons of co2 in the ground over billions of years makeing the atmosphere great for us oxygen breathers. The cold sea also trapped co2. More co2 being released into the apmosphere ,means temperatures rise, the seas warm releasing even more, then the real bad gases start to be released. Methane in the muskeg and at the bottom of the seas begin to be released , causing uncontrollable run away green house affect. The earth gets even hotter. Plants can't grow anymore, people starve and eventually the earth becomes much like Mars.

Dead.

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nope.

co2 is a greenhouse gas which acts like a blanket over the earth.

The more co2, the more heat is retained by the earth. Plants absorb co2 and store it, then it goes into the ground when the plant dies. This has trapped hundred of billions of tons of co2 in the ground over billions of years makeing the atmosphere great for us oxygen breathers. The cold sea also trapped co2. More co2 being released into the apmosphere ,means temperatures rise, the seas warm releasing even more, then the real bad gases start to be released. Methane in the muskeg and at the bottom of the seas begin to be released , causing uncontrollable run away green house affect. The earth gets even hotter. Plants can't grow anymore, people starve and eventually the earth becomes much like Mars.

Dead.

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Guest: (605 days ago)

nope wrong sorry go home

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nope wrong sorry go home

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Guest: jechill (605 days ago)

get a job!

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get a job!

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Guest: (604 days ago)

got one thanks. now your turn. we tax payers buy your beans!!

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got one thanks. now your turn. we tax payers buy your beans!!

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Guest: jechill (604 days ago)

I have my own beans, don't require charity beans.

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I have my own beans, don't require charity beans.

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Guest: (603 days ago)

they aint your beans when welfare bought them for you. earn money then you get to buy your own beans.

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they aint your beans when welfare bought them for you. earn money then you get to buy your own beans.

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Guest: jechill (603 days ago)

You have no job and no beans

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You have no job and no beans

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Guest: (603 days ago)

I could buy you and your house and probably all the beans you have ever eaten. a bit of hard work and an education goes a long way. you missed out man.

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I could buy you and your house and probably all the beans you have ever eaten. a bit of hard work and an education goes a long way. you missed out man.

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Guest: jechill (602 days ago)
Latest comment:

lmao

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Latest comment:

lmao

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WalterEgo WalterEgo (605 days ago)

You are sort of right, but rather inaccurate. I'm no expert, but I'll explain how I understand climate change.

Most of the CO2 absorbed by plants goes back into atmosphere as a part of a cycle. Plants absorb CO2, emit the O and keep the C to build themselves. If the plant is eaten by an animal, the animal combines the C in the plant with the O it breathes, into CO2, which it then breathes out as waste. And so the cycle continues.

For plants that die, some of the C in the plant ends up in the atmosphere as methane when the plant decomposes. A small amount may remain underground to eventually become oil or coal in millions of years time.

So plants and animals in effect "work together" to keep the balance of CO2 just about right for a relatively stable climate that suits life on Earth as we know it.

There are other "pairs" as well that affect the climate - oceans absorb CO2, volcanos emit CO2. Overall, a relatively stable balance of greenhouse gases has been maintained for the past 10,000 years, that has allowed human civilisation to farm and develop ... until the Industrial Revolution. Burning fossil fuels combines the C in the fuel (created from dead plants millions of years ago) with O in the air to create "new" CO2, hence increasing greenhouse gases in the atmosphere.

The heat output from the sun is not constant, so that also affects the climate, but in some sense, it's not relevant. It's like we are wearing a shirt - that when the sun's output is high, we feel warm but not too hot, and when the sun's output is low, we feel cool not too cold. Then we add a sweater (40% increase in CO2). Now when the sun's output is high, we feel too hot (heatwave), and when the sun's output is low, we feel OK (mild winter). And the Koch brothers want us to slip a coat over the sweater!

BTW, if global warming runs out of control, we'll end up more like Venus than Mars.

ReplyVote up (101)down (80)
Original comment

You are sort of right, but rather inaccurate. I'm no expert, but I'll explain how I understand climate change.

Most of the CO2 absorbed by plants goes back into atmosphere as a part of a cycle. Plants absorb CO2, emit the O and keep the C to build themselves. If the plant is eaten by an animal, the animal combines the C in the plant with the O it breathes, into CO2, which it then breathes out as waste. And so the cycle continues.

For plants that die, some of the C in the plant ends up in the atmosphere as methane when the plant decomposes. A small amount may remain underground to eventually become oil or coal in millions of years time.

So plants and animals in effect "work together" to keep the balance of CO2 just about right for a relatively stable climate that suits life on Earth as we know it.

There are other "pairs" as well that affect the climate - oceans absorb CO2, volcanos emit CO2. Overall, a relatively stable balance of greenhouse gases has been maintained for the past 10,000 years, that has allowed human civilisation to farm and develop ... until the Industrial Revolution. Burning fossil fuels combines the C in the fuel (created from dead plants millions of years ago) with O in the air to create "new" CO2, hence increasing greenhouse gases in the atmosphere.

The heat output from the sun is not constant, so that also affects the climate, but in some sense, it's not relevant. It's like we are wearing a shirt - that when the sun's output is high, we feel warm but not too hot, and when the sun's output is low, we feel cool not too cold. Then we add a sweater (40% increase in CO2). Now when the sun's output is high, we feel too hot (heatwave), and when the sun's output is low, we feel OK (mild winter). And the Koch brothers want us to slip a coat over the sweater!

BTW, if global warming runs out of control, we'll end up more like Venus than Mars.

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Guest: jechill (604 days ago)

Thats very good what you wrote there.

Yes i guess your right on about venus , because we have more mass than mars and wouldnt lose our atmosphere due to gravity and the magnetosphere protects us from the solar winds. Acid man, it will rain acid.

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Thats very good what you wrote there.

Yes i guess your right on about venus , because we have more mass than mars and wouldnt lose our atmosphere due to gravity and the magnetosphere protects us from the solar winds. Acid man, it will rain acid.

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