These substances can be found in a large range of products, including Teflon pan coating, fire-fighting foam, flame retardants and water-repellent additives.
Israeli researchers, working hand in hand with local farmers, developed new methods that not only save water, but also improve the quality of the produce.
Facebook founder Mark Zuckerberg has announced that an Israeli-made AMOS-6 satellite will be launched in 2016 to bring the Internet to the poorest parts of the world, and a look at how Israel is solving the global water crisis.