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The earth warmed and cooled in the past by a few degrees over MILLLIONS of years as a result of changes in the earth's orbit around the sun, movement of land masses etc.
The current warming is happening at a rate of thousands of times faster than in the past.
Because it's basic science. Does CO2 trap greenhouse gases?
Yes or no.
There is no basic science in an era where scientists are lined up in lockstep in sympathy with leftist politics. Regrettably, all science is now political science. And that is terrible because now we have to question everything the "basic scientists" say. Is it the agenda? Or is it reality? No one can say for sure in an era where scientists align themselves with false social justice. Where the IPCC is as concerned with "food security" and "gender equality" as they are with climatology.
The leftist-statist social justice cancer that has heretofore primarily infected the humanities has now spread to the hard sciences. And that is a big problem.
The X axis is in millions of years; that's a pretty obvious way to conceal warming in the past 120 years.
Aw, man, there you go interjecting FACTS into this thread ! Just when they were on a roll and had each other believing climate change (aka global warming) doesn't exist !
These guys will never believe it, even though thousands of the greatest minds and experts know it to be real. They will not be convinced until the Pacific Ocean is lapping at their feet in Iowa.
There is no basic science in an era where scientists are lined up in lockstep in sympathy with leftist politics. Regrettably, all science is now political science. And that is terrible because now we have to question everything the "basic scientists" say. Is it the agenda? Or is it reality? No one can say for sure in an era where scientists align themselves with false social justice. Where the IPCC is as concerned with "food security" and "gender equality" as they are with climatology.
The leftist-statist social justice cancer that has heretofore primarily infected the humanities has now spread to the hard sciences. And that is a big problem.
You just don't like the answers you are hearing from the scientists so you're in denial and claim its suddenly political. Maybe you can produce some of your sources that contradict scientific facts.
I am not a global warming fanatic. But if you look at and understand the data we do have an issue with increasing CO2 levels and warming temperatures.
My solution is simply spray chemicals into the atmosphere that dim the effects of the sun. That will at least deal with the situation and over time we will advance technology to end the need for fossil fuels. Its essentially what happens when a super volcano erupts.
The left is wrong in wanting to carbon tax to the point of ruining the economy. The right is wrong in trying to deny that there is a problem at all. The problem is real I just think that dimming the suns energy is the best solution.
Those sorts of major acts of intentional environmental engineering might solve things. I read about an idea to seed the world's oceans with iron to stimulate phytoplankton growth, for example. Another, probably far less plausible idea, at least any time in the next couple centuries, would be to build a space mirror to reflect back sunlight. I think we can forget about that second one for now.
The seeding the oceans idea though would be both risky and, possibly more importantly, require global cooperation. That global cooperation doesn't seem particularly likely anytime soon, and that's one reason why many people want to do more than just wait for technology to solve the issue. Once we've reached higher temperatures, it could be very difficult to get them back down again, particularly if they've been warm enough to dramatically heat up the oceans which hold heat for a long time.
Carbon geoengineering seeks to remove carbon dioxide from the atmosphere, which would address the root cause of climate change — the accumulation of carbon dioxide in the atmosphere. In the chain from emissions to concentrations to temperatures to impacts, it breaks the link from emissions to concentrations.
Quote:
Originally Posted by MLSFan
really, a lot of the solutions will destroy the ozone layer anyhow, we are screwed either way
the main reason to fix co2? because we dont want to end up like china's megacities where the air pollution is 10-50x anywhere else
The other solution Harvard is working on is dimming the suns energy to the point the planet cools. It could work very quickly:
Solar geoengineering seeks to reflect a small fraction of sunlight back into space or increase the amount of solar radiation that escapes back into space to cool the planet. In contrast to carbon geoengineering, solar geoengineering does not address the root cause of climate change. It instead aims to break the link from concentrations to temperatures, thereby reducing some climate damages.
Then we can patiently and correctly deal with the issue instead of running around screaming the sky is falling. I think if this approach becomes the short term solution many on the right will jump on board and support it. For the left they seem to be using climate change as the vehicle for wealth redistribution.
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Just when they were on a roll and had each other believing climate change (aka global warming) doesn't exist ! 
