Researchers have found the source of an unusual pocket of air pollution in Central Washington. Tiny particles from large agricultural operations mix with vehicle exhaust. That creates nitrate pollution.
In dense, concrete-locked urban areas like Seattle space for gardening is hard to come by. After all, this is a city where land is so valuable that people spend an average of $346 per square foot on their homes.
Three Portland MBA students invented a way to build raised garden beds with giant, recycled plastic Lego-like blocks and funded the idea with a Kickstarter campaign.
If you live in the heart of a city like Seattle or Portland, your carbon footprint is about half the national average. But the people living in the surrounding suburbs more than make up for it. In some places, suburbanites emit four times the amount of carbon as city dwellers.
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