Energy: The slow march to a renewable-energy future

A truck transports sugar cane in Brazil where it is used to make ethanol fuel (photo: dpa)
A truck transports sugar cane in Brazil where it is used to make ethanol fuel (photo: dpa)

Renewable energy options aim to cut greenhouse gas emissions and shrink the ever-increasing global thirst for fossil fuels. But can technological advances keep pace with the sheer size of today’s energy market - and what about the cost issues and moral dilemmas which need confronting too? asks GIS expert Dr Carole Nakhle.

WHEN it comes to renewable energy, it is useful to distinguish between power generation and transport.

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Wind, solar, and hydropower, are all used to generate ‘clean’ electricity; biofuels (ethanol and biodiesel) are used for transport.

Historically, Europe took the lead in increasing the share of renew...

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