Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

    JUST WATCHED

    Is this the world's most energy efficient home?

MUST WATCH

Is this the world's most energy efficient home?

CNN's Richard Quest explores a net zero home which produces more energy than it consumes.

Is this the world's most energy efficient home?

CNN's Richard Quest explores a net zero home which produces more energy than it consumes.