Do Green buildings actually work?

Are green buildings actually genuine or is it just lip service to get the planning?

I go past the Strata building in Elephant and Castle regularly and have never once seen the wind turbines going round.

The Telehouse West datacentre was hailed at “Green” during it’s construction but according to the press, the electricty from it’s solar panels only goes to provide charging facilities onsite for non-existent electric cars, and it’s heat exchange service ends at the site perimeter with no local housing within practical distance.

The Kinetica building I passed by on Sunday at Dalston’s Uprise festival and again no sign of the turbines moving despite the moderate wind.