Really just a list of VERY helpful places on the internet without which this site would not be possible.
What is biochar? Figure 1: Biochar at 16 x magnification
Biochar is simply a form of carbon produced through incomplete combustion of carbon-based feedstock. The idea is to produce carbon in various forms of purity through a process called pyrolysis.
In the early stages of starting a PhD I attended a NRF conference which prepares candidates for the journey. I tried to summarize the key message I took from the experience in a post I now share with you.