Our oceans are becoming critically polluted, with acidification threatening the health and biodiversity of the world's largest bodies of water. But no one knows exactly how bad the problem is.
That's the problem that the latest X Prize, known as the Wendy Schmidt Ocean Health Challenge, aims to solve. Competitors will compete for $2 million in prize money that will go to the team or teams that best come up with systems for measuring the pH level of the oceans.
Half the prize money will be awarded for the most accurate sensors, while the other half will go … Read more