Found: images of climate-change fighting technologies at massive scales

So there is an idea afoot that substantially whitening low lying clouds may be a feasible way of cooling the atmosphere (to hold off climate change). Apparently it is possible to make really white mist by using very small water droplets. By mixing this mist with clouds you can make the clouds whiter! Here is an image, linked from Nature Magazine of how the whitening could take place:

Another very science-fictiony infrastructure that scientists are apparently really considering are huge carbon-sucking machines like seen below:

This image is also taken from Nature.