I've mentioned it here before, but my favorite is crushing and spreading olivine rocks: http://www.innovationconcepts.eu/res/literatuurSchuiling/olivineagainstc

I've mentioned it here before, but my favorite is crushing and spreading olivine rocks: http://www.innovationconcepts.eu/res/literatuurSchuiling/olivineagainstclimatechange23.pdf http://www.innovationconcepts.eu/res/literatuurSchuiling/oli... It's a natural process and we just have to mine as many rocks as we dig up oil. We just need to catch up for the last few hundred years where we only dug up oil and no rocks. Just US $200 billion per year to offset all of humanity's carbon emissions. If I was a billionaire I'd already have started developing robots to mine and grind up rocks for accelerated weathering.