Green campaigners' dream of a supergrid to unite the renewable energy resources of northern Europe may soon become a reality. The Guardian's Alok Jha has the details.

As Britain and America close their embassies in Yemen, diplomatic editor Julian Borger analyses the threat and how the US and Britain hope to counter it.

Health and children's charities condemn government plans to introduce product placement, but cash-strapped broadcasters are begging for it, says Denis Campbell.