Energy, life and the environment renewables, fossil fuel and nuclear. To most creatures energy means food and warmth. Squirrels may hedge against changing conditions by simply hoarding nuts, but early humans expanded their interest in energy as they learnt to use fire, power mills and sail ships.
The drought this summer has kept the issue of global warming and carbon emissions in the public eye.
Rehabilitating Nuclear Power. Energy needs to be affordable, secure and reliable.