ENVIRONMENT & CLIMATE

Sea Otters Return To Alaska's Glacier Bay After 250 Years

The approach from the scientists utilizes mathematics, statistics and ecology for understanding better the role of these predator animals in the marine ecosystem and the ability for returning to an ecosystem after being absent for so long.

Mountain Clouds Change From Rain Makers To Snow Makers

Mountains challenge skiers, climbers, and road builders. But when it comes to clouds, they offer an assist. Researchers from Pacific Northwest National Laboratory and Colorado State University found that mountainous clouds have a dual response when injected with numerous tiny pollution particles.

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