Lecture 5 in Mike Clancy's six-part lecture series, "Climate Change: Causes, Effects, and Solutions". This lecture is Part 2 of the discussion on Technologies and Practices for Halting Climate Change. Includes in-depth discussion of the Project Drawdown climate solutions in the Transportation; Buildings; and Land Sinks Sectors. Also presents a brief review of Bill Gates' book, "How to Avoid a Climate Disaster", discusses future technologies for mitigating climate change, and takes a look at the leading geoengineering proposals for cooling the Earth.