Obama recommends extended wilderness zone in Alaska

US President Barack Obama said Sunday he would recommend a large swath of Alaska be designated as wilderness, the highest level of federal protection, in a move likely to anger oil proponents.

Augmented reality lifts awareness of nature preservation

Imagine strolling along a wildlife refuge trail and finding a marker with a symbol of a bison. Pull out your smartphone or iPad and hold it up to the picture. Now look at the screen and see a 3-D bison roam across the landscape.

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