Bloomberg 00:00 - 00:30

The Big Business of Drilling Deep Into the Earth - Geothermal has been the underdog of the energy industry - but that may be about to change as new startups use fracking technologies to expand potential geothermal sites.

Bloomberg 00:30 - 01:00

Why Money Is Flowing Into Geoengineering - Scientists and entrepreneurs are testing radical ideas like solar radiation management and ocean fertilisation - and finding funding for it.