Why the World’s Rivers Are Losing Sediment and Why It Matters
Now, as global warming steadily melts glaciers and polar ice sheets, quickening the pace of sea level rise, scientists say that a severe shortage of river-borne sediment — most of it trapped behind dams — will increasingly be felt along the world’s coasts.
Paris agreement’s 1.5C target ‘only way’ to save coral reefs, Unesco says
First global assessment of climate change impact on world heritage-listed reefs says local efforts are ‘no longer sufficient’…