I'm going to be on a panel discussing the climate crisis and what can be done about it in a couple of weeks. My particular topic focus will be on increasing soil carbon through the use of biochar and microbial inoculants. Research shows that depleted soils (and almost all are, thanks to decades of "industrial farming" - the witless brainchild of mega corporate capitalism) can be regenerated by re-establishing appropriate microbial colonies that are the key to root/soil synergies, which can be accomplished by applying biochar (the carrier) that is loaded with biodiverse microbial soil inoculant made by a simple composting process. This regeneration can result in annual soil carbon increases of 5 tonnes per acre from the plants capturing CO2 from the atmosphere and passing it along as sugars to feed fungi which convert it to graphene - a recalcitrant form of carbon that persists for hundreds, or even thousands, of years in the soil. Five tonnes of carbon is equal to 18.5 tonnes of CO2. There are 915 million acres of ag land on Earth with the potential of sequestering 18.5 tonnes of CO2 per year, which is 17 gigatonnes worldwide. In 2018, humans pumped 37 gigatonnes of CO2 into the atmosphere, much of that coming from farming practices that cause soil carbon depletion.

And on the subject of solutions with benefits, this soil health regeneration comes with water use reduction, increased productivity, lower tillage costs, elimination of the use (and cost) of fertilizers/herbicides/pesticides, and more jobs.

In the biochar making process, energy is produced that can be used to displace fossil fuel derived energy (coal, oil, gas), the cost of heating buildings is reduced, and biomass feedstocks can come from reducing forest fire fuels and other waste agricultural residues. External benefits galore...

The whole concept is a great example of socio/enviro/capitalist economics. Who doesn't like it? Multinational energy and chemical corporations - the kings of destructive Capitalism.
You canít solve a problem without first understanding what the problem is.