In the first of a series on the North East clean-tech hub, James Murray investigates plans to bring geothermal power to Newcastle
Prime minister's last act before resigning ensures utilities will pay a set rate to green energy producers from July 2012
US government to fund development of new processes and materials, while separate programme hands out $11.3m for geothermal projects
Successful test at Paralana in South Australia means 3.75MW plant could be online by end of 2012
Climate minister Greg Barker indicates he is keen to boost incentives for the UK's nascent deep geothermal industry
Island outlines plan to rebuild shattered economy with help of 727-mile transmission cable
US government clean energy loan guarantees now top $18bn
Howay the drillers, as work begins on two kilometre borehole to heat Newcastle science park and city centre buildings
New paper outlines potential to tap new generation of deep geothermal wells
Report outlines steps needed to wean global economy off fossil fuels