Sand from glacial melt could be Greenland’s economic salvation?

As climate change melts Greenland’s glaciers and deposits more river sediment on its shores, an international group of researchers has identified one unforeseen economic opportunity for the Arctic nation: exporting excess sand and gravel abroad, where raw materials for infrastructure are in high demand.

From paradise to landfill: beloved California beach covered in trash

After a trio of winter storms dropped inches of rain on the area, the beach looked more like a landfill than a pristine paradise. That’s because Seal Beach lies at the mouth of the San Gabriel river, which drains runoff from more than 50 cities in the Los Angeles river basin.

Q&A: The Nature of Value vs the Value of Nature

Humans have long had a varied and complicated relationship with nature—from its aesthetic value to its economic value to its protective value. What if you could measure and analyse these values? One group is trying to do just that.

Study reveals island formation a key driver of penguin speciation

Ever since Darwin first set foot on the Galapagos, evolutionary biologists have long known that the geographic isolation of archipelagos has helped spur the formation of new species. Now, an international research team has found the first compelling evidence that modern penguin diversity is driven by islands, despite spending the majority of their lives at sea.