Phys.org: Earth science

An international team of polar ecologists, geographers, and marine scientists has found that global warming has, over the past 20 years, melted enough glacier ice in Greenland that an additional 1,620 kilometers of that country's coastline is now exposed to the elements.

As flood threats rise, wetlands across South Carolina could play an important role in fending off high water before it soaks homes, businesses, roads and other property that people depend on.

New research into lithium mining in the "Lithium Triangle" of Chile, Argentina and Bolivia—source of more than half of the world's lithium resources—shows that the commonly accepted models used to estimate how much water is available for lithium extraction and what the environmental effects may be are off by more than an order of magnitude.