While I was in the shower, I thought of a brilliant idea! Let’s trigger several smaller volcanic eruptions that release a semi-controlled amount of volcanic ash into other atmosphere. That will cool down the atmosphere, which should buy us some time to fix our carbon emissions.
Then I realized, that doing so would block visible light. Plants need the light to grow, and we need the plants to breathe and eat. Obviously, this is not going to be a long term solution. Oh, and how do you even make sure the volcanic eruption doesn’t spiral out of control and suddenly spew out 50 times the ash we were aiming for. Oh, and volcanoes also spew CO2 and even nastier gases, so… It sounded so good while I was still in the shower. The more I think about it, the worse it gets.
This is called Geoengineering, and we don't need volcanoes for that. Current approaches mostly consider injecting sulfates or other reflective aerosols directly into the atmosphere to influence how much solar radiation reaches the Earth. The principle is the same as behind volcanoes. This method is in fact already being employed and has been used in the past, albeit only for regional climate engineering.
Why don't we do this to stop climate change? As you yourself kinda noticed, the consequences could be very unpredictable and dangerous because the effects are difficult to model. However, maybe after everything else has failed Geoengineering could be a viable option.
This brings up an important point. Greenhouse effect is not the only factor in global temperature changes. There’s also solar input rate which varies enormously with cloud cover.
geo engineering is a stopgap solution. it enables the continuation of fossil fuel burning, and rampant over consumption. it does nothing to prevent ecosystem collapse in our oceans, decline of breathable air or extinction of native species.
when you hear “geo engineering”, think of “clean coal” and “sustainable aviation fuel,” because they are one and the same
I personally want to see humans invest in geoengineering but not for climate change. I believe geoengineering research and development will lead to terraforming which we'll need to expand beyond the earth.
You’re right. Naive shower me thought that we could buy some time to do the right thing. Should have put on an oil billionaire top hat for a while to see how we could waste that time instead.
And, just like people who install solar panels on their homes tend to use more energy than people who do not, finding a tricky way to buy additional time for us will only exacerbate and prolong how long we are destructive as a species to the planet that we live on.
Surely if that statistic is true it can't mean that on average after solar panels are installed people are taking more energy from the grid. I imagine it's also pretty easy to single out individual groups, like software engineers or something, who on average might use more electricity or reverse that and say people who use more electricity on average are more likely to get solar panels installed.
I only bring this up because sustainable energy initiatives, even individuals installing a handful of panels, should be praised. There's nothing better we can do right now than clean up our energy generation (and maybe go vegetarian? Lol).
You get some paper machet, you get some altroids, you drop in some diet coke, and BOOM! You got a 4th grade science teacher failing you because you did the project wrong, and (airquotes) "didn't pay attention".
Ideally, it would allow plants to get the visible light, but block much of the heat. I don’t know which material would do the trick though. Maybe some sort of glass could work as a band pass filter.
We don't know who struck first, us or them. But we do know it was us that scorched the sky. At the time, they were dependent on solar power. It was believed they would be unable to survive without an energy source as abundant as the sun.
It happened again. I get a great idea, and later find out that, not only someone else thought of it first, but they also made it into a product many years ago.