Modern society is dependent on flexible electrical energy, available on demand and at an affordable cost. Most of our electrical energy is produced by converting the carbon stored in coal or natural gas into heat energy and then via a turbine into mechanical energy.
20 April, 2011
Renewable energy can have wide-ranging social and economic benefits for developing countries, as well as contributing to the climate change agenda. But a balance needs to be struck between public subsidies, the charity sector and private investment.
18 April, 2011