Discover and read the best of Twitter Threads about #retrofirst
Most recents (2)
"Baseline scenarios without any new climate policies, and without the implementation of current pledges, lead to a median global warming of 3.3C-5.5C by 2100" says leaked draft of @IPCC_CH WG3 report summary out on Monday.
And, the longer we wait the harder it gets. UpSum - we need to go further, faster, NOW. And that's just looking at the 1.5C-2C range. No more than 1.5 is harder still.
#BuiltEnvironment needs: Fewer new buildings, #RetroFirst, more efficient, fossil free existing buildings, with active energy (renewables & demand flexibility) in green, connected walkable neighbourhoods says report. @ActiveBuildingC @UKGBC @ArchitectsJrnal
THREAD: M&S boasts it is going net zero because 'there is no Plan B when it comes to our planet'. But I've crunched the CO2 numbers on your Oxford St demolition job @marksandspencer & I have to tell you it ain't pretty
@marksandspencer The embodied carbon cost of replacing the building on the left with the building on the right is 39,534 tonnes of CO2 (thanks @w9maidavale & @WillIng9). That's equivalent to driving a typical car 99,000,000 miles - further than the distance to the sun 
Another way to look at it is driving 8,598 cars for a year
