Renewable energy

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Future of energy on show in Kazakhstan

Kazakhstan's Expo 2017 provides a taste of what could be the future of greener and renewable energy.

GDP: A "stupid model"

Why gross domestic product is the wrong way to measure economic growth

Should struggling economies in Africa and elsewhere look at more than gross domestic product as a measure of growth and progress? Yes, according to Lorenzo Fioramonti, professor of political economy at the University of Pretoria, in South Africa. He tells Ed Butler GDP is a "stupid development model". (Picture: Oil pumps. Credit: iStock, Getty Images)