What’s REALLY Warming the Earth?

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It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.
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[StepBackHistory]

The tombstone of our species will say we died because we couldn't find a way to profit off saving ourselves.

[michaelkrick]

What's really warming the air? All the hot air all the politicians are always blowing

[unvergebeneid]

It's okay to be smart. It's even okay to not be smart. It's not okay to be ignorant.

[deteoj]

Let’s remember the vikings who lived in Greenland for hundred’s of years only to be chased away by cooling temperatures and that for a fact, it really was green for hundreds of years prior, until a cooling earth drove them elsewhere. Archeologists have also noted that burial depths became shallower and shallower(over the course of their occupation of Greenland) as it became more and more difficult bury their dead

[c.e.anderson]

I remember when they told us the earth was gonna freeze before 2000.. Only 45 years ago

[hotjamsm]

All we need is a Tax, then everything will be ok. Go it. Next.

[estycki]

I just wanted to point out that when I've been in heatwaves, it was ungodly hot but when I entered a forested area there was some relief - it felt several degrees cooler (most likely because it's a shaded area). Someone pointed out that concrete gets incredibly hot, it absorbs a lot of heat and then dissipates the heat in the city throughout the night. Anyone who's ever worked at a car dealership will know how unbearably hot it gets there during the summer when the heat reflects and radiates off the concrete, metal and glass. More people are living in the cities noticing it's hotter with the more roads, buildings, cars we surround ourselves by - this is a huge factor to our discomfort.

[cubablue]

Somebody better explain how the Romans could grow grapes close to where I live. While they’re at it they could try to explain why the Romans built ports that are now 20km inland. Either it was significantly warmer and sea levels were significantly higher back then or the Roman sense of humour has been significantly underestimated.

[rustyfalcon]

Spent a fair part of the day looking for a realistic analysis of the reason for global warming. Didn’t find it here either.

[grumpyaustralian]

Cutting down Forrests does not cool the planet, this entire video, I just can't.

[hotpotts]

100 years vs 4.5 billion years
is a fart in the wind

[Don-krtp]

maybe the best example of selective data being used to make a point.

[scunny]

Its been the hottest since 1880 ... so it was that hot before. And tell me how hot did it get before the last ice age we had?

[kobegenobe]

Since the earth flat let's just flip it over like the cold side of a pillow and then it's back to normal. Honestly, so simple.

[garysavage]

Actually the hottest months and years were back in the 20's and 30's. Considerably hotter than the present. Since we weren't burning enough fossil fuels at that time to have any impact on CO2 levels it had to be something else warming the climate. That something else is most likely the same thing that is warming the climate now, although there hasn't been any warming in the last 20 years despite burning a lot more fossil fuels.

And just to add a little perspective. All we've added since the 50's is about 100 PPM. That's parts per MILLION. That is a microscopic amount. How gullible does someone have to be to believe that is making any impact on the earth's climate? That's not even a rounding error of a rounding error of a rounding error.

[david_fitzmaurice]

Can you bring some of these heat records to Ireland because I never see these hot days.

[detosfan]

I Remember learning in School how warm it was during the dinosaurs and how cold the ice ages were

[ShankarSivarajan]

The problem that most people have is not global warming (aka climate change in the winter): it is the politicization of the issue in order to curb the industrial revolutions of India and China, _and_ to exert totalitarian control over the energy sector. Michael Crichton wrote about the dangers of Politicized Science over a decade ago. It's a fairly short essay, and definitely worth reading.

[blairs]

Instead of just showing charts for highs, you should also show the charts for lows. That would change your data set quite a bit.

[erichofer]

I remember learning in school about the American dust bowl in the mid 1930's when it was hotter then it is now.