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Debate Score:74
Arguments:63
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 Is global warming caused by humans? What is your point of view? (51)

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NowUSeeMe(18) pic



Is global warming caused by humans? What is your point of view?

Some think it is, some not. I'm just interested to know!
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Yes, it clearly is. You can look at most any legitimate research on it from the past decades, and it all university shows that climate change is directly impacted by human activity.

2 points

"Farmers are bringing more and more cows into the world to meet demand, and with them escapes more methane into the atmosphere."

Your sources work against you.

2 points

"Farmers are bringing more and more cows into the world to meet demand, and with them escapes more methane into the atmosphere."

Good research! Fascinatingly, there can be more than one cause for something.

joshv(35) Disputed
1 point

Climate has been changing millions of years before humans walked the Earth.

J-Roc77(70) Clarified
1 point

So?

Saying the climate changed before humans so it couldn't be humans now is not a good position.

There were fires before humans too, by your logic man could not be responsible for any of todays fires.

GenericName(3387) Clarified
1 point

Which doesn't change the fact that humans are in the process of changing the climate in a dangerous way.

1 point

True. However, as I said, "climate change is directly impacted by human activity."And recently, human activity has caused the climate to change more rapidly and in more dangerous ways than it has ever has before in a comparable timeframe.

It is influenced by humans, yes.

The concept itself is not created by humans.

2 points

I have no idea. When the experts are hedging their bets how can I be expected to say yes or no? In the IPCC5 report one of the topics was about AGW. The panel said yes, man is causing warming but they also assigned probabilities to their statements and the probability, or certainty level, for the AGW statement was Low. If even the experts don't feel comfortable giving a straight answer on this then it's a non-issue to me.

J-Roc77(70) Disputed
3 points

The panel said yes, man is causing warming but they also assigned probabilities to their statements and the probability, or certainty level, for the AGW statement was Low.

It appears you made a mistake here. The IPCC report says it is "extremely likely" as in greater than 95% chance.

It is extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together. The best estimate of the human-induced contribution to warming is similar to the observed warming over this period.

https://www.ipcc.ch/pdf/assessment-report/ar5/wg1/drafts/fgd/WGIAR5 WGI-12Doc2bFinalDraft_Chapter10.pdf

SlimReaper(22) Disputed
2 points

95% chance? Where did you see that in IPCC5? They didn't use percentages in IPCC5.

GenericName(3387) Clarified
2 points

Do you happen to have access to the quote you are referring to regarding the probability?

SlimReaper(22) Disputed
2 points

Do you really need it? It's IPCC5 and easily viewed on the Internet. If you don't know what I'm talking about then you haven't read it and shouldn't be talking about this.

2 points

Clearly the planet is in a warming cycle. Probably man made air pollution has some effect. What's not at all clear is the degree to which man made air pollution is effecting the change. Finally no one knows if we can change the warming trend. These are all facts.

SlimReaper(22) Clarified
2 points

From what I've read and I'm admittedly not an expert it seems that changing ocean currents have at least as much to do with climate change as CO2 levels.

SlimReaper(22) Disputed
2 points

I'm disputing my own statement. Who clarified it? I've seen other disputed statements now clarified. Who does the clarifying?

2 points

Both indicate that human activity (industrial agriculture) is to blame.

So you believe that humans are causing global warming, right?

outlaw60(12712) Disputed
2 points

That was not the topic of the debate was it ? Let's review !

"Is global warming caused by humans? What is your point of view?"

So called Global Chaos is not caused by humans.

The Left Wing rags prove that !

1 point

Few of you "deniers" will go there, but, http://climate.nasa.gov/interactives/climate-tme-machine

If that doesn't scare the crap out of you, you are just numb!

1 point

After years of being of the viewpoint that the recent warming trend is merely cyclical, I have pretty much switched my stance on the topic. And now feel that we HAVE at the very least been a factor in the climate change.

The evidence is simply too convincing. By doing core samples in ice floes, as well as other methods, like tree rings and geological sampling, climatologists have been able to peek pretty far back in time to see what the weather was like. Thus, we know that what we are seeing now with our weather systems in most likely unprecedented.

The weather ha just gotten to damn weird. Droughts, floods, tornadoes where and when they never have been before; crazy stuff. I realize that most things in Nature are cyclical: the water cycle; the orbit of the Earth, in fact; oxygen/carbon dioxide cycle; seasons; plant growth and germination, etc. And this idea used to be what I based my assumption that GW was cyclical on. I figured the weather and the Ice Age/Warming Trends were just another example.

But the weather has been so schizophrenic I have joined the Man-made GW camp. I DO think that some politicians have used GW to further their causes, like taxing or restricting big industries; or making money off of "Green" tech, or whatever. And yeah, AL Gore is pretty much an idiot in my book. A hypocrite and an elitist empty suit. But he HAS made some good point on the Man-made GW problem.

As a science guy, and an Astronomy buff who is all too aware of how small and insignificant man is in the grand scheme of things, I used to think there was not way little peons like us--little more than ants on this World--could affect vast and changing, and open, dynamic weather systems.

Then I recalled something our instructor told us on our first day of a Meteorology class back in college. He said that if you took an average-sized classroom world globe--say, one that's about 20" in diameter, and painted it over, one coat, with some regular house paint, that that coat of paint--it't thickness--would be, in scale to the globe, about the same thickness as our living atmosphere in comparison to the diameter of the real Earth. Which if memory serves is about 7800 miles or so.

Wow! When put like that, I can certainly see how we silly humans could hose our weather systems!