Recent quotes:

Living close to urban green spaces is associated with a decreased risk of breast cancer: Residential proximity to agricultural areas is associated with an increased risk of breast cancer, study shows -- ScienceDaily

"found a linear correlation between distance from green spaces and breast cancer risk. In other words, the risk of breast cancer in the population declines, the closer their residence is to an urban green space. These findings highlight the importance of natural spaces for our health and show why green spaces are an essential component of our urban environment, not just in the form of isolated areas but as a connective network linking the whole urban area and benefitting all its inhabitants."
Even when you’re careful about picking a spot—protected forest, wild coastline, lonesome desert alongside a national park—you need a form of income and you need interludes of friendship and love and other problems. It doesn’t matter if you’ve got a whole crowd in the nearest city, because they will rarely if ever visit. People are lazy. Even the smart ones toss away most of their “free time” watching television. You’re on your own out there, and even Henry David Thoreau got lonesome and went back to town. Your rural neighbors might be fellow conservationists and tree huggers, but they’re more likely gun nuts with a sheet-metal garage crowded with dirt bikes and off-road buggies.
it takes 22.8 gallons of water to produce, package and ship a single egg. A pound of beef requires 183 gallons. By contrast, strawberries come in at 3.6 gallons per cup, and it takes only 1.3 gallons of water to produce a tomato.