biomass

Aquaflow: next-gen biofuels a commercial reality

by Bryan Walker April 22, 2012

Positive news this week from the Nelson-based algae company Aquaflow whose fortunes we have followed on Hot Topic over the past three years. I last reported on them in August 2011, when they had signed an agreement for joint testing and evaluation with Texas-based CRI Catalyst Company (CRI). Now they have announced a full technology [...]

8 comments Read the full article →

Here comes the sun: 100% renewables by 2050

by Bryan Walker February 7, 2011

Is a fully sustainable global energy system possible by 2050? It’s hard to imagine a more important question if we entertain hopes of avoiding the worst effects of climate change. It is the question addressed by a new and substantial report from the World Wide Fund for Nature (WWF) and the sustainable energy research and [...]

53 comments Read the full article →

Games without frontiers

by Gareth January 12, 2009

Jeux sans frontières realised in Clim’ City, an interesting learning game with obvious antecedents from Bordeaux’s Cap Sciences centre: reorganise the energy sources and economy of this French city and its surroundings – from ski field to beach resort – to reduce greenhouse gas emissions without crippling the economy. According to the Technology Review story, [...]

1 comment Read the full article →

Coppiced willow farming here

by Bryan Walker January 4, 2009

This column appeared in the Waikato Times in August 2008.  I have altered some of the wording to update it for this Hot Topic post. The change to renewable energy sources can seem daunting. Those with stakes in fossil fuels are often negative, claiming change will be too expensive, too difficult, or not yet necessary. [...]

0 comments Read the full article →