The Democratic Party will hold a two-day debate event, starting tonight. It's time to brush up on the positions of the leading candidates on policies and politics relate to housing, climate change, and infrastructure.
A sand mine that has been operating since the very beginning of the 20th century has finally been shut down by California regulators. The site of the facility will be returned to more natural conditions.
Headlined by vertical (and horizontal) sprawl in China, India, and elsewhere, the global building boom requires vast quantities of concrete and asphalt. And to get those materials, sand must be taken from the environment.