Nature - Agriculture
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| Harvesting corn in Canada. A PinP photo. |
The dominant US crop plant has a voracious appetite for fertilizer, which leads to air pollution and health problems. More here.
This large gravel mine, now supplying product for a major road upgrade, has turned this section of Manitoba's Birdtail River valley into a hive of activity. It has also brought noise, emissions and congestion to the surrounding area .
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