We've built Britain's biggest marine source heat pump to keep this place warm. See the action bit.ly/1nenNe6

Sydney tops PwC's city list for eco criteria. London, rated top overall, doesn't make top 10 sustainablecitiescollective.com/david-thorpe/2…

Amazon's new downtown Seattle HQ: victory for the city over suburbia? gu.com/p/3pdyq/tw

A quick visit to @Carillionplc at Battersea Power Station to see work on site - new jobs & apprenticeships for #Wandsworth

Beijing to the US by train: China outlines plans to connect world by high speed rail #WAD14 ow.ly/x8h0N

Global steel demand is estimated to increase by 60% through to 2035.

The great French train fiasco: new trains too big for old stations ift.tt/1ksGp6h

Could Google’s latest driverless vehicle transform our obsession with car ownership? ift.tt/1kxeqEc

Could the UK’s first carbon-fibre bridge spark a revolution in civil construction materials? ift.tt/1j2g2Ar

Edinburgh’s new trams on track at last! ift.tt/TExfKk

General Electric to buy Alstom’s energy business for $17bn ift.tt/1pmDTTR

Recognition for Australia’s colossal new reverse-osmosis desalination plant ift.tt/VE4jTG

Gates for third new lock reach Panama Canal expansion site ift.tt/1jX2Rqo

Consultation begins on new £1.3tn infrastructure proposal for London ift.tt/1AH4OfU

First pile marks start of marine construction works on Aqaba LNG project, Jordan ift.tt/1tkMowp

The Panama Canal: 100 years old and still growing… ift.tt/1wdNsaP

The Panama Canal: 100 years old and still growing… ift.tt/YFxA1Z

Groundbreaking new composite bridge swings into place in the UK ift.tt/1B0EGMl

Does rejection of ‘Boris Island’ spell an ill wind for London? ift.tt/1t3HxPG

Balfour Beatty announces sale of Parsons Brinckerhoff to WSP Global ift.tt/1Cup9G8