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collaboration The climate crisis is already eating into the output of the world’s agricultural systems, with productivity much lower than it would have been if humans hadn’t rapidly heated the planet, new research has found. Advances in technology, fertilizer use and global trade have allowed food production to keep pace with a booming global population since the 1960s, albeit with gross inequities that still leave millions of people suffering from malnutrition. Get top stories in your inbox. Our award-winning journalists bring you the news that impacts you, Canada, and the world. Don t miss out. Email But rising temperatures in this time have acted as a handbrake to farming productivity of crops and livestock, according to the new research, published in Nature Climate Change. Productivity has actually slumped by 21 per cent since 1961, compared to if the world hadn’t been subjected to human-induced heating. ....