The agreement to buy Toohey Park permits a certain amount of water runoff from the Sunny Ridge site to flow into a pond at the park, but parks officials said they want to ensure that the project doesn't send too much water into the park. (articles.chicagotribune.com)
«You can take a certain amount of water, and divide it up into many small drops or just a few big drops,» Shaw says, explaining that it's like having a lot of sand or just a few boulders. (sciencedaily.com)
though it takes a certain amount of water to grow crops, a large proportion of this water transpires and goes toward more precipitation and thus the measurement of virtual water is suspect. (newscientist.com)