Meeting the world's biofuel targets could reportedly divert a tenth of the world’s cereal output from food to fuels. Alternatively, if food-crop production were to remain stable, a huge amount of extra land would be needed for the fuels, meaning food prices could rise by anything from 15-40%.
Pioneers living off grid are sharing free resources that have helped them in their journey towards independence and self sufficiency.
An ever-growing range of tools can help individuals cut fuel costs.
Well-intentioned, even highly-effective solutions to the challenge of feeding the world can have serious, unintended environmental consequences.
The transition movement, which helps communities become more resilient to the growing climate and energy crises, is gathering pace internationally.
Can we save energy by using electricity when it is at its least carbon intensive?
A range of personal responses to the challenges of solar power.
