Articles on Water

Displaying 61 - 80 of 832 articles

Sinkholes form when underground rock dissolves or sediment washes away and the surface collapses. Luis Diaz Devesa/Moment Collection/Getty Images

Why Philly has so many sinkholes

Sinkholes are fairly common in Philadelphia due to aging water lines that leak or burst, causing the surrounding soil to wash away.
Iranians pray for rain in Tehran on Nov. 14, 2025. The city is experiencing its worst drought in decades. Fatemeh Bahrami/Anadolu via Getty Images

Iran’s president calls for moving its drought‑stricken capital amid a worsening water crisis – how Tehran got into water bankruptcy

Iran’s sprawling cities and irrigated agriculture, along with tight market controls, have left the country vulnerable to drought. There are steps that would help.
Algal bloom at small-scale fish farming cage site in Siaya County, Lake Victoria, western Kenya. Eric Teplitz

Fish farming is booming in Lake Victoria, but pollution and disease are wiping out millions. How to reduce losses

Lake Victoria’s aquaculture industry holds promise for improving food security and livelihoods in east Africa.
The Zambezi River starts in Zambia and flows through Angola, Namibia, Botswana, Zimbabwe and Mozambique, where it empties into the Indian Ocean. Anton Ivanov/Shutterstock

How control of water shapes power and security in Africa

Control over water underpins national security, economic stability and social wellbeing, as disputes over rivers from southern Africa to the Nile show.
Global climate funding must reach farms like this one in Nkamira, Rwanda, so they can prepare for climate disasters like floods. Terry J. Lawrence/Getty Images

Land is Africa’s best hope for climate adaptation: it must be the focus

Africa is heavily dependent on agriculture. At this year’s COP30 conference, the continent needs to secure more funding to adapt land to climate disasters.

Top contributors

More