Writing about important events in our lives, not just ‘I had a coffee today,’ but ‘I had this deep discussion with my mom,’ generally provides more benefit therapeutically.

It was really cool. It was great to get insight at such a high level into the workings of the Pentagon.

The idea of geoengineering is to reverse climate impacts caused by CO2 emissions. There are two ways to do it: One is to reduce the amount of solar radiation coming to the earth; the other is to remove the CO2 itself.