IUCN Climate change and nutrient pollution are driving the oxygen from our oceans, and threatening many species of fish. That’s the conclusion of the biggest study of its kind, undertaken by conservation group IUCN. While nutrient run-off has been known for decades, researchers say that climate change is making the […]

Estuaries, where rivers pour freshwater into the ocean, could become giant power plants with the help of a newly made membrane. LWM/NASA/LANDSAT/ALAMY STOCK PHOTO BOSTON—Green energy advocates may soon be turning blue. A new membrane could unlock the potential of “blue energy,” which uses chemical differences between fresh- and saltwater […]

Rising temperatures in the northern polar cap are driving extreme heat, drought, and sea level rise in the continental US, a study says. PHOTOGRAPH: KATHERINE KERLIN/UC DAVIS As climate delegates discuss the planet’s future at the COP25 meeting in Madrid this week, a new study finds the Arctic is warming much faster […]