Here's how I'm thinking about doing that at the end of 2020.
Back in February 2019, I was randomly (yes, randomly) selected to direct $500k of funds from a donor lottery, and have spent a fair amount of time since then thinking about how to direct those funds most efficiently.
So far, I have recommended grants of $165k to the Good Food Institute in the spring, and just over $200k to a number of Covid-19 interventions in May and June. You can read about those grants here and here.
The work that I did to research and decide on those grants was most of the thinking about effective giving that I did this year; it's been written up elsewhere, and so this post will mostly not cover the same ground. (If you're just looking for new ideas from these posts, see