A look at how sustainability is ingrained into the thinking behind London 2012, with a special focus on the <a href="http://www.london2012.com/making-it-happen/sustainability/changing-places/">Changing Places</a> programme.
Tony Marley from the Olympic Delivery Authority tells us about all the changes being made at Stratford Regional Station.
HRH The Duke of Edinburgh visits the Olympic Park for the first time to see the progress being made at the Olympic Stadium and Aquatics Centre.
Find out about the UK's largest ever soil-washing operation with over two million tonnes cleaned and reused across Olympic Park. <br jquery1296560922577="299"/>
A group tour of the Olympic Park highlights some of the sustainable features under construction.<br jquery1300818760617="308"/>
Paralympic gold medallist David Weir visits the Olympic Stadium for the first time.
BBC presenters including Huw Edwards, Bill Turnbull and Gary Lineker visited the Olympic Park see the progress being made.<br jquery1296149624782="297" jquery1296494991156="299"/>
ODA Project Sponsor Richard Arnold, Track Cycling World Champion and Olympic gold medallist Ed Clancy, plus Paralympic Track Cycling gold medallists Sarah and Barney Storey, visited the Velodrome to see the constructed cable-net roof, which has now been lifted into place.<br jquery1295523042875="295" jquery1295542869893="292" jquery1296496456133="299" jquery1300904651045="305"/><br jquery1295523042875="296" jquery1295542869893="293" jquery1296496456133="300" jquery1300904651045="306"/> <br jquery1295523042875="297" jquery1295542869893="294" jquery1296496456133="301" jquery1300904651045="307"/><br jquery1295523042875="298" jquery1295542869893="295" jquery1296496456133="302" jquery1300904651045="308"/><br jquery1295523042875="299" jquery1295542869893="296" jquery1296496456133="303" jquery1300904651045="309"/>
London 2012 welcomed The President of the Republic of South Africa Jacob Zuma to the Olympic Park.<br jquery1296554455728="299"/><br jquery1296554455728="300"/>
Keep up to date with London 2012's progress from October to December 2009<br jquery1296227964789="299" jquery1296497026935="299"/>
