A reality check on renewables - David MacKay
17:33
Why renewables can’t save the planet | Michael Shellenberger | TEDxDanubia
16:47
The Problem with Wind Energy
1:06:03
Sustainable Energy - Without the Hot Air with David MacKay
18:02
The Blind Spots of the Green Energy Transition | Olivia Lazard | TED
22:35
Generate Electricity - How Solar Panels Work!
23:22
David MacKay - final interview and tribute
12:05
What If We Covered the Sahara With Solar Panels?
42:26