The trend is still weak, but it looks already clear. The interest in geoengineering is growing. The reason is obvious, just take a look at these recent data:
And it really looks like all hell is breaking loose. We can't say, yet, where we are passing one of the deadly climate tipping points that will kill us all, but for sure, climate change is not anymore something that our grandchildren will be concerned about. Not even a problem for our children. It is our problem. It is here and now.
So, what to do? It is no more the time of talks, and talks, and talks. It is time to recognize that the COP series of conferences has been one of the worst failures in the history of humankind, probably worse than the attempts to mitigate the famine on Eastern Island by building large stone heads. Or to create a proletarian paradise in the Soviet Union.
One good thing we have is that renewable energy is doing very well. It is growing fast and it gives us a chance to have the means to intervene. But renewables, by themselves, can't turn back the climate clock. They can reduce emissions and bring them to zero in a few decades, but the damage done may already be above the safety limits. We need to think in terms of emergency: we need to cool the planet while we still can do that.
The idea of "climate engineering" is still in its infancy, and it is much maligned for various reasons. But it is a definite hope we have for the near future. Among many ongoing discussions, you may be interested in a new group called the "Blue Cooling Initiative" (BCI). It is a sign of the changes to come.
See also this previous post of mine.
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