From this author

01/30/2015 - 20:20

Hydropower or hydroelectricity is an established renewable energy technology that also may be quite low-cost. Although hydropower requires a steep investment to develop, dams in particular have a long lifespan and generally can produce consistent power over many decades. Consider that the Hoover Dam in the US Southwest has been in service since 1935 ...

01/29/2015 - 18:47

Although there is a great deal of focus on using renewable energy to replace grid power systems, there has been less analysis on renewable energy usage for the transport sector.  This cost report from  the International Renewable Energy Agency provides an outlook on decarbonising this important sector by 2020.  The report focuses primarily on  biofuel and electric, battery-powered vehicles.

01/29/2015 - 18:12

As this report from the Intertnational Renewable Energy Agency notes at the beginning, Africa makes up 15% of the global population but has only 5% of the global energy usage.  The worry for analysts and policy makers is that as the population of Africa increases, and development brings African energy usage to a level comparable to the rest of the world ...

01/29/2015 - 17:39

Nationally appropriate Mitigation Actions or NAMAs for short are a relatively new policy tool championed by the International Renwable Energy Angency from within the UNFCC.  The key concept behind NAMAs are that a single climate change mitigation policy is not appropriate for all countries. 

01/28/2015 - 00:04

China dominates the world of wind energy manufacturing (turbines) and output.  In 2014 China installed over half of all the wind capacity on the Earth.  To most eyes, China is racing against time to replace polluting coal and fossil fuel infrastructure with clean wind and solar power.