A global switch to efficient lighting will reduce electricity bills by one tenth

The uk government has a tough choice. In the next decade-and-a half decade, almost all of the country's 14 nuclear stations will have outlived their utility. Not a very welcome proposition in a country where nuclear power generates about 22 per cent of the electricity, annually. Moreover, the share of renewables in uk' s energy supply has not grown desirably, while demand for energy is on the rise.

India needs to rethink its power generation strategies for the sake of environment

The seeds of a plant called jatropha yield oil that, after processing, makes biodiesel. It can reduce India s burgeoning oil import bill. And there s lots of money to be made. But who will earn? What land will be used for this? down t

Create a culture that places a premium on human power