The global cost of disasters is growing: The economic burden of disasters is intensifying. While the direct costs of disasters averaged $70–80 billion a year between 1970 and 2000, between 2001 and 2020 these annual costs grew significantly to $180–200 billion. But the real cost is far higher. Disaster costs …
Nearly 50% of terrigenous materials delivered to the world's oceans are delivered through just twenty-one major river systems. These river-dominated coastal margins (including estuarine and shelf ecosystems) are thus important both to the regional enhancement of productivity and to the global flux of C that is observed in land-margin ecosystems. …