Popular posts this month on a novel application for street lighting [1], and an original action to demonstratethe passive concept - the ice challenge [2]. A reference information source on solar troughs [3] and a technology with the prospect to halve the cost of solar energy [4]. The carbon market is booming [5] and carbon prices are expected to rise [6] near year. But beware of the carbon cowboys [7]! Finally, several island communities [8] realise that renewable energy makes a lot of sense.

• Humankind's role in climate change [9]
• The importance of trials (and errors). The cases of Carbon Trading and Road Congestion [10]
• Solar electricity in Greece [11]
• Sustainable business is mostly hot air! [12]
• Letting the moon light the streets [13]
• Carbon Capture and Storage (CCS) at any price? [14]
• Concentrating Solar Power (CSP) in California [15]
• This is how Columbus started! [16]
• Troughnet: the Parabolic Trough Solar Power Network [17]
• Promising impatience among world leaders [18]
• Analysing the social benefits of Demand Response [19]
• Investing in sustainability is far from business headlines [20]
• Energy efficiency Long Term Agreements (LTAs) in the Netherlands [21]
• The industrialised countries are lagging behind the emerging economies [22]
• Heliotube – PV at half the cost [23]
• Nine different Demand Response programs [24]
• The Ice Challenge [25]
• The Big (green) Apple - A Sustainable New York City [26]
• Consumption rates available on public Internet site [27]
• Does the IPCC report bring too much comfort for our leaders? [28]
• Carbon prices predicted to sharp rise next year [29]
• Report from Carbon Expo [30]
• Islands powered solely by renewable energy [31]
• Beware of the carbon cowboys! [32]