Culverts – the major threat to fish you've probably never heard of

Fish need to cross roads too. But the tunnels built to channel rivers under roads and railways can block their migrations.

Sayali Pawar, Research Fellow in GIS and Environmental Change, Swansea University • conversation
Aug. 6, 2020 ~6 min

Tags: biodiversity fish construction dams rivers freshwater-biology roads eels

Iran: decades of unsustainable water use has dried up lakes and caused environmental destruction

Salt storms are an emerging threat, as Lake Urmia dries up and exposes huge salt marshes.

Georgia Destouni, Professor of Hydrology, Hydrogeology and Water Resources, Stockholm University • conversation
Aug. 3, 2020 ~5 min

Tags: dams iran water-security water-sustainability water-use

When dams cause more problems than they solve, removing them can pay off for people and nature

Thousands of dams across the US are aging and overdue for maintenance. Taking them down can revive rivers, restore fish runs and create new opportunities for tourism and outdoor activities.

Jon Honea, Assistant Professor of Science, Emerson College • conversation
May 29, 2020 ~9 min

Tags: climate-change water flooding fisheries dams rivers ecosystem-recovery california maine hydropower

Mine waste dams threaten the environment, even when they don't fail

Dams built to hold enormous quantities of toxic mining waste have a long history of spills. Decisions in the Pacific Northwest threaten three free-flowing rivers there.

Julian D. Olden, Professor of Aquatic and Fishery Sciences, University of Washington • conversation
Feb. 24, 2020 ~9 min

Tags:  brazil  canada  dams  water-pollution  mining  regulation  rivers  alaska  heavy-metals  mine-tailings

Gina McCarthy reflects on progress 50 years after Cuyahoga River fire

Environmental protection is not a goal to achieve but a task to be undertaken by one generation and handed to the next, Gina McCarthy, the former EPA administrator and current director of Harvard’s Center for Climate, Health, and the Global Environment, told the Gazette in an Earth Day interview.

Alvin Powell • harvard
April 19, 2019 ~12 min

Tags:  health  climate-change  fish  health-medicine  alvin-powell  harvard-th-chan-school-of-public-health  gina-mccarthy  air-pollution  and-the-global-environment  c-change  center-for-climate  cuyahoga-river  cuyahoga-river-fire  dams  earth-day  environmental-protection-agency  epa  ohio  toxins  water-pollution

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