Primary energy is the energy embodied in natural resources prior to undergoing any human-made conversions or transformations. Examples of primary energy resources include coal, crude oil, sunlight, wind, running rivers, vegetation, and uranium.
The American Institute of Biological Sciences' 2009 Annual Meeting was held 18 and 19 May on the theme of "Sustainable Agriculture:
Greening the Global Food Supply".
Climate Change: Pandora's Box?Last Updated on 2010-09-04 at 19:38On the Nature Blog, 'The Great Beyond', on January 27, 2009, Daniel Cressey wrote
No way back from climate change
Much like the sins in Pandora’s Box, once carbon dioxide is... More »
Earth ForumLast Updated on 2010-04-24 at 19:43About the Earth Forum
The Earth Forum is one component of the Earth Portal that provides the means for the interested public to engage in discussions with experts on ... More »
Energy for All?Last Updated on 2010-04-19 at 08:37Energy for All
On SciDev.Net on 14 April 2010, Kandeh Yumkella and Morgan Bazilian offer an Opinion article, titled "Energy for all — a joined-up approach". ... More »
Satellite-based TechnologyLast Updated on 2009-11-13 at 07:55SciDev.Net has published a Spotlight on how satellite remote sensing can provide crucial data to prepare for, mitigate, respond to and relieve the impacts of natural... More »
Regenerative Agriculture: The TransitionLast Updated on 2009-10-23 at 08:47Regenerative Agriculture: The Transition.
Writing on Scitizen, Professor Chris Rhodes notes that:
In the face of peak oil and in order to curb carbon emissions, methods of... More »
Forgotten Farm LabourLast Updated on 2009-10-18 at 17:51
The forgotten farm labourer
Anil Gupta, writing 13 August 2009, on SciDev.Net addresses the myriad problems of agricultural labour.
The concept of 'farmers first', which... More »