Massive Power Blackout Spain Portugal France has left millions without electricity, disrupting cities like Madrid, Lisbon, and parts of southern France. The blackout shut down airports, trains, metros,

Electricity is pulsing through Spain and Portugal again after a massive outage knocked out power in both countries on Monday. So too are questions.

Carbon Brief examines what is known about the Spanish and Portuguese power cuts, the role of renewables and how the media has responded.