Facing the worst drought in its history, Cape Town, South Africa is in danger of running out of its water supply. The crisis has officials in the U.S. pondering whether cities here could one day face a similar fate.
Cape Town has been monitoring the number of days to Day Zero, when the city’s supply would run dry, and has advised all residents to limit water consumption to 50 liters (13.2 gallons) a day. There are estimates that by 2025, two-thirds of humanity could be struggling with water shortages.
Three major U.S. cities—Los Angeles, Salt Lake City, and Miami—are considered high risk for a water shortage crisis. Los Angeles has been challenged by water shortages for much of its history, and a 2014 drought led city officials to instruct residents reduce water usage by 25% in 2015.
With temperatures rising, the mountains around Salt Lake City will receive less snow, which would decrease the flow of water from snow melt. In Miami, the problem is rising seawater leaking into, and contaminating, fresh water supplies above and below ground.
Related Stories
Codes and Standards | Sep 2, 2020
California releases guide for state water policy
Water Resilience Portfolio is roadmap for meeting water needs as climate changes.
Codes and Standards | Aug 31, 2020
Fenestration alliance updates fenestration sealants guide
First update to 2009 document.
Codes and Standards | Aug 25, 2020
Platform will allow researchers to test energy system integration at scale
The U.S. Department of Energy’s (DOE’s) National Renewable Energy Laboratory (NREL) recently launched the Advanced Research on Integrated Energy Systems (ARIES) platform.
Codes and Standards | Aug 20, 2020
Wariness of elevators may stymie office reopening
Workers could balk at returning to high-rises.
Codes and Standards | Aug 19, 2020
Existing laws may be restricting efforts to cut carbon emissions
Outdated policies favor fossil fuels.
Codes and Standards | Aug 18, 2020
Florida becomes the third state to adopt concrete repair code
Sets minimum requirements for design, construction, repair of concrete structural elements in buildings.
Codes and Standards | Aug 17, 2020
ASCE seeks comments on seismic standard
Pertains to design criteria for nuclear facilities.
Codes and Standards | Aug 13, 2020
COVID-19 reboot guide offers strategies for reopening K-12 schools
Looks at space considerations for reopening at different scales.
Codes and Standards | Aug 12, 2020
Document provides guidance for mass timber construction
Overview of Intl. Building Code requirements included.
Codes and Standards | Aug 11, 2020
Inefficient air conditioning is a key contributor to global warming
More efficient equipment and buildings could make a big difference.