<img src="https://spectrum.ieee.org/media-library/illustration-of-a-drone-being-used-to-collect-crop-data-on-a-wheat-farm.jpg?id=66888131&amp;width=1245&amp;height=700&amp;coordinates=0%2C156%2C0%2C157" /><br /><br /><p>Nearly 750 million people face hunger today, according to the <a href="https://www.wfp.org/" rel="noopener noreferrer" target="_blank">U.N. World Food Program</a>. And by 2050, global demand for food is expected to <a href="https://research.wri.org/wrr-food" rel="noopener norefer