Top Story apps.npr.org After the water: Flash floods pose existential threat to towns across US When a flash flood ripped through Old Ellicott City in Maryland, residents thought it was a freak occurrence. Then, less than two years later, it happened again.
Newsletter grist.org A 1,000-year flood in Maryland shows the big problem with so much asphalt When hard, impermeable concrete replaces absorbent green spaces, it’s much easier for floodwaters to overwhelm stormwater drainage.
Forests didn't fare well during an ancient global warming event, offering a 'cautionary' tale about today's climate change