Know Your Risk: Tsunami Risk Tools and Evacuation Route Maps
Tsunamis are among the world’s most devastating and unpredictable hazards, affecting coastlines across the Pacific, Indian, and Atlantic Oceans, as well as the Mediterranean...
Know Your Risk: International Tools for Understanding Flood Risk
Below, you’ll find a comprehensive, curated table of international and Asia-Pacific flood risk maps and tools. These platforms are designed to help you:
Check real-time...
Know Your Risk: Commercial Tools for Understanding Flood Risk
While federal and state flood risk tools are the standard resources for regulatory aspects of understanding flood risks, commercial tools expand on these resources...
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River & Reef Report: News About the Waters You Love
Your monthly briefing on what's happening in the world's rivers and reefs.
June 2026: Dams Coming Down, Fisheries Recovering, New Coral Reef Discovered
Dams...
Is the Potomac River Safe for Recreation?
Tracking E. coli Levels Along the Potomac River After the Spill
On January 19, 2026, a 72-inch section of DC Water's Potomac Interceptor...
River & Reef Report: Potomac Update, Reef Recovery, Chasing Water
March 2026
River
Potomac River Update: According to the State of Maryland, bacteria levels dropped enough to lift "no contact" advisories in Prince George's and Charles...









