Masdar to use more PV’s to power city

Solar power plant (Serpa, Portugal)

Image via Wikipedia

With the recent drop in costs for photovoltaics (PV) and the effect of dust and haze on solar-thermal technology(the technology originally planned) has caused a rethink in supplying energy to Masdar. The utilities management company has decided to use 50% photovoltaics and 50% solar thermal due to costs. Although photovoltaics produce 20% less energy than solar thermal they will cost 33% less to install. The use of solar power will cost more than 2.5 times the cost per kwh than the current method generating energy via natural gas.

via the [SOURCE: The National]

CROSS POSTED ON UAELANDSCAPEARCHITECT.COM

Spacing goes underground to think differently about public spaces

Spacing.ca a great magazine and blogs from Toronto and Montreal.

Recently on the latest episode of their radio show (Spacing Radio) went underground into Montreal’s sewer system and look at how Vancouver’s is allowing residents to garden green strips and traffic circles (Ed: sort of a controlled guerilla gardening) to think about public spaces differently.

Its an interesting listen and worth checking every two weeks to see what the latest conversation Spacing Radio is having about Canada and its spaces. Also you can subscribe to the podcasts on the iTunes store.

Go to Spacing Radio to listen to the latest episode.

New carbon-negative cement wins Competition

London Development Agency reports

The London Development Agency (LDA) has congratulated a London company that has been recognised for its innovative and environmentally-friendly approach to construction.

The company was recognised for its potential contribution to the engineering and construction industries at the London Technology Fund (LTF) Competition awards ceremony held on Wednesday night at the Royal Bank of Scotland’s head office. Sarah Ebanja, Deputy Chief Executive at the LDA presented the Environment Award to Novacem, a start-up company developing carbon-negative cement.

Novacem, a spin-out from Imperial College London, has developed a groundbreaking type of cement, which has the potential to transform the cement industry from being a significant emitter of CO2 to being an absorber of CO2. Novacem estimates that for every tonne of ordinary Portland cement replaced by Novacem cement, around 0.75 tonne of CO2 could be captured and stored indefinitely in construction products.

[SOURCE: London Development Agency - New carbon-negative cement wins LDA-supported London Technology Fund Competition]

Burning issue of Spain’s wetlands

Tablas de Daimiel (España) {{es|Tablas de Daim...

Image via Wikipedia

Aljazeera.net reports

The European Union is asking Spain why one of its precious wetland reserves has been allowed to dry up so much that the peat which lies beneath the surface is on fire.

Ecologists blame the mismanagement of water resources and over-irrigation for the environmental tragedy in the Tablas de Daimiel National Park, which is part of a UNESCO biosphere and has EU protection.

Read more at the [SOURCE: Aljazeera.net - Burning issue of Spain's wetlands]

Related article Spanish wetland facing destruction – [guardian.co.uk]

Developer ordered to pay settlement for draining wetland

Huntington Harbour from the airImage via Wikipedia
A developer was ordered to pay a $250,000 settlement for draining a wetland near Cabrillo Mobile Home Park in Huntington Beach. The developer must also restore the environmentally sensitive area. The settlement will be paid to coastal regulators. The developer was attempting to build a parking lot in place of the wetland.

read more at the [SOURCE: latimes.com Developer ordered to pay settlement for draining Huntington Beach wetland]

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