about 9%. we are not the biggest one. >> even if you're only responsible for 10% of the drying of the dead sea and all the sink holes and the result of that, you're still contributing to a very serious problem, right? >> all the authorities in israel have the same attitude. the pros are much, much larger than the cons here. >> he's got a point. the fertilizer and pesticide they mine here helps feed countless people from africa to india. instead of burning fossil fuels, their process is powered most lie by the sun. and if they weren't pumping all that water, the south basin would be a dust bowl. 4,000 hotel rooms would be swallowed by sink holes, and tourists would have nowhere to float. >> when they are swimming in the dead sea, it's good, but you are swimming in the same water. >> they don't really put that in the brochure, though.