Black labelled blades for intake and silver labelled blades for exhaust. 00:00 Intro and Fan details 02:55 swafan party piece! 06:26 Hardware for the build 09:02 Timelapse build 19:34 Build is ...

A breakthrough deal to attempt to limit global temperature rises was agreed at a conference of world nations in December 2015. These charts from the time show how and why the Earth’s climate is ...