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Climate Change

Photograph shows corn and oats growing side-by-side on a farm in Iowa. The farmer Craig Fleishman uses a hybrid approach that mixes organic and conventional agricultural methods. Many experts believe this may be the future of farming and will lead to greater sustainability.
Food & Environment

A middle path to sustainable farming

Agricultural economists are homing in on hybrid, low-input methods that will both safeguard the environment and feed the future billions

Photograph of sandy sea bottom covered in round nodules. The light is dim and greeny blue.
Physical World

Mining the deep ocean

Renewable technologies need a multitude of critical minerals. The seabed could supply these riches. But at what cost?

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