World’s renewable resources reach limit thumbnail Renewable resources representing 45 per cent of global calorie intake have reached peak production levels Peak oil has become a familiar term over the past decade, but the world will soon have to get used to peak rice, peak wheat and peak maize, according to new research from the Helmholtz Centre for Environmental Research . ‘Peak oil seemed believable because oil is a limited resource, but surprisingly our methodology in this study could not prove it,’ says Ralf Seppelt, a landscape ecologist working on the project. Money and innovation from the oil industry has seen peak oil recede as a risk, according to the research. The Helmholtz study found that while peak oil is not a cause for concern, renewable resources have reached the limit for annual growth. Among the 20 renewables studied, 18 – including meat production and the global fish catch […]