The Smithsonian
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| Photo by Tomas Castelazo |
Tree ring data from various parts of the world show that greenhouse gas increases have impacted soil moisture for over 100 years. Story 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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