Cracked girders at the Salesforce Transit Center in San Francisco were discovered in September, and the Transbay Joint Powers Authority board of directors wants a complete evaluation of the building's structural integrity. Lab test results on the girders are being evaluated to determine the cause and help devise a permanent fix.
The Federal Transit Administration likely will contribute $929 million toward construction of a $2 billion light rail line in Minnesota. The news is a turning point for the project, which has been 20 years in the making.
New governors will take office in 2019 in 20 states, and both Republicans and Democrats campaigned on a promise to improve infrastructure. The states might be in a better position to add infrastructure spending given growing revenues from a strong economy, but overcoming resistance to tax hikes could be challenging.
Giant skyscrapers in Houston slowed down Hurricane Harvey, worsening the storm's impact, and damage was enhanced by paving and buildings that did not allow the water to properly drain, a study found. Another study of hurricanes Maria, Irma and Katrina concluded climate change substantially increased rainfall but did not result in increased wind speed.
Austin, Texas, is developing a water resiliency plan that proposes to forgo searching for new water sources away from the city in favor of recapturing water from sinks and other sources. It also would store billions of gallons of potable water in artificial aquifers.
Decades more work will be required to deal with sediment flow from Mount St. Helens into the Cowlitz River, per the Army Corps of Engineers. One of the main concerns is that shipping berths on the Columbia River waterfront may be blocked by the continued flow of volcanic sediment.
New Orleans is sinking even faster than the surrounding waters are rising, creating an urgent situation for Louisiana if it hopes to preserve the city and coastal areas, Susan Buchanan writes. The state's regularly updated 50-year, $50 billion Coastal Master Plan with hard and green solutions is making progress, but some argue that more is needed, as well as more funding.
The fate of Southern California's Buena Vista Lagoon hangs in the balance, as the San Diego Association of Governments will consider a restoration plan next week. A number of issues have hampered previous efforts, but a new report offers four possible ways forward, including a proposal to remove a weir and adjust the inlet and channel to allow tides to flow in and out.
Discussion of a disputed conservation initiative in California's Napa Valley was dodged as planning commissioners reviewed regulations governing streams, woodlands and reservoirs that provide drinking water. The missing initiative, Measure C, would also protect watershed and oak woodlands.
Gamma spectroscopy detectors have been delivered to Egypt and Senegal to help assess and address their severe soil degradation. The devices, provided through the International Atomic Energy Agency's technical cooperation program, will help pin down the degradation's contributing factors, which can include land exploitation, unsustainable agriculture and extreme weather.