Hofstede on culture:

https://www.youtube.com/watch?v=wdh40kgyYOY

And on uncertainty avoidance:

https://www.youtube.com/watch?v=fZF6LyGne7Q

On Hofstede’s dimension of Indulgence: 

https://www.youtube.com/watch?v=if2A7XZjlG4

Importance of culture for business:

https://www.youtube.com/watch?v=xSP_GsmNjj4

Demography—series of videos by Oxford University:

https://podcasts.ox.ac.uk/series/demographic-trends-and-problems-modern-world (see: numbers 1, 5, 7, 10) 

On the economics of the ageing of the global population:

https://www.youtube.com/watch?v=Pp5hRuZZpyw

The WHO has produced a series of videos on the impact of climate change on global health:

http://www.who.int/globalchange/mediacentre/videos/en/