Some people need to realize that climate change has always existed on earth since the forming of our planet, besides the political fuss its also just a scientific fact and it just might be of importance to limit our minor or big impact on it since it would be hard for humanity to adapt on a grand scale if temperatures change drastically in a short timeframe . "Reversing climate change" is a weird term since its just an ongoing forever happening thing but it could go slower .
It might be more stable then we think it is but its just good to be sure and live greener and healthier.

No, solar panels don't cool on a global level. The reason is pretty simple, the solar energy is already at earth. If you don't want it, reflect it (ice caps keep the balance low, if ice and snow is melting the earth absorbs more energy). But for obvious reasons you don't want your solar panels to reflect light.

You might have a local cooling effect in the shadows of a solar panel though. Not sure about that.

It's true that climate change happened in the geologic past. But usually over tenthousands of years, not in decades. Such fast change never happened before.

EDIT: Image to big to embed it in the post, but this shows in a pretty good way, how much faster we are warming the earth: https://xkcd.com/1732/

Fast change did also happen before and was mostly invoked by massive vulcanic eruptions,releases of big amount gasses ,changes in jetstreams and ocean currents. 

But i agree we most likely have a big impact on the current state and must do what we can to lessen our footprint as a species on this earth if we want to keep this an environment we would like to enjoy for the coming thousand years.

Such changes as you describe only had local changes (local can be a whole continent in this context, but still not the whole earth), and it often was temporary.

It's not stoppable or reversible anymore (maybe in the 70s or 80s), we can only try to slow it down to have more time to prepare for the consequences. I think mankind won't change much unitl a large part of the economic power will have to be used for technology to secure our survival.

I've read that too, along with the orbital pattern around the sun changing every so slightly, which happens over long durations, and both apparently contribute to more major climate changes when they occur. My point was directed more at climate change as it effects us today.

You didn't consider cloud formations. If there are lots of clouds but the sun is at a peak, more get's reflected before it get's to Earth and leads to cooler weather than if the sky is clear. If the sun is at a low but the sky is clear, it can more easily reach Earth and lead to warmer weather, yet with cloudy skies can lead to much cooler weather. The warmer and cooler weather also effects how and when clouds form, so they directly effect each other.

https://www.nasa.gov/feature/goddard/nasa-study-mass-gains-of-antarctic-ice-sheet-greater-than-losses

http://dailycaller.com/2018/06/15/antarctica-ice-sheets

https://dailycaller.com/2018/06/14/earths-largest-ice-sheet-antarctica/

"Antarctica’s eastern ice sheet was stable for millions of years during the Pliocene warm period when atmospheric carbon dioxide concentrations were about the same as today, according to a new study."

"The study on the Earth’s largest ice sheet surviving a period scientists believe was warmer than modern times was published in the journal Nature, but got little media attention, especially when compared to a study published the same day in the very same journal alleging Antarctic ice melt had tripled from ten years ago."

If the Pliocene era, 4 million years ago, had CO2 levels the same or higher than that of today, then CO2 must also be cyclic, or at the very least can rise and fall naturally, since there weren't humans back then.

Seems like there is a clear discrepancy between the results and the reason's for them. I'm not one who's made up my mind that CO2 is not to blame at all, but at this point in time it seems it's less to blame than it's made out to be. That doesn't mean more evidence won't surface over time proving that's actually the case though.

I think the only thing I know that can drop down temperature to the planet is a mega volcanic eruption,

[The 1815 eruption of Mount Tambora, Indonesia, the Laregest eruption in recorded history, ejected an estemated 150 cubic kilometers (36 cubic miles) of debris into the air. The average gloval temperature cooled by as much as 3 Celsius (5.4 Fahrenheit), causing extreme weater around the world for a period of three years. As a result of Mount Tambora's Voclanic Ash, North America and Europe Expeirenced the "Year without a Summer" in 1816. This year was characterized by widespread crop failure, deadly famine, and disease.]

-Taken from a scientific study.

Look up Yellowstone Mega volcano eruption if you're into Apocalyptic scenarios that would be just as bad for the human civilization as climate change will be; however, it would probably be a better outcome for overall life on the planet.

There are ways to reverse climate change, but it is extremely resource intensive, we need to increase carbon consumption.

Walk/Bicycle as a means of transport, not only will you be reducing your carbon footprint, but you will be saving yourself money... And improving your health. (If you don't already.)
Try not to buy pre-packaged food from super markets, don't use plastic bags.
Open a window instead of turning on the Air Conditioner. - Put on warmer clothes before you turn on a heater.

The world collectively got together and saved the Ozone layer once.
But politics is a massive issue... There needs to be bipartisan support on the issue... Rather than conspiracy theorists running the show.

Many businesses here run their own green energy and actually make money out of it... There just needs to be an appropriate business case for it that makes it more tenable to more businesses and organizations.

Don't forget that Carbon levels will continue to rise even if we stopped producing carbon tomorrow... The oceans have absorbed a significant amount of carbon and thus has a laggard effect on our atmospheric levels.

Instead of millions of years though, we could be talking merely hundreds.

Obviously have absolutely zero understanding of what climate change is.
You are conflating CLIMATE for WEATHER.

Climate change is the changing of the weather over long periods of time... Weather is the more immediate phenomena.
Climate change doesn't mean we won't have cold days or hot days.

It's a very simple concept.

Rubbish.
This kind of thinking is disingenuous. I highly encourage you to do some research on this topic... Unbiased research, the stuff that is backed by empirical, scientific evidence.

Absolutely false.

Sea levels are actually rising, this has been measured. - Consequences are that some Pacific Islands are now sinking.
The change in climate is having devastating drought effects in regions like Australia... Forcing farmers to close up shop and move farther south where climate is more viable for farming.
Extreme weather events are becoming more extreme and more common.

It's immeasurable. The sun outputs a significant amount of solar energy.
The laws of thermodynamics comes into play.
https://en.wikipedia.org/wiki/Thermodynamics

There are also two ways of capturing solar energy... The suns heat itself, which is used in some "solar hot water systems" - Which are fairly common in say... Australia.
Or Photovoltaic, which captures the light particles and converts it into current.

There are a ton of factors.
Any good climate model will generally take note of them all.

Well. Fitness is stupidly important to me, so I prefer not to use vehicles at all.
I have LED lighting through my home.
Avoid pre-packaged foods, mostly for health benefits.

And my home is powered by Windfarms... Which consequently also do not always generate energy... So the wind farms energy is actually used to split water into Hydrogen to generate power when the wind isn't blowing. (Hydrogen being a form of energy storage.)

Water is actually one of the biggest culprits to trapping heat.
https://www.ncdc.noaa.gov/monitoring-references/faq/greenhouse-gases.php?section=watervapor

probably unlikey to reverse unless China were to get on board with it. definitely dont fly around in a private jet for now