A federal bankruptcy judge has ruled that a jury should determine whether Pacific Gas & Electric Corp. is responsible for the Tubbs fire of 2017, one of California’s worst wildfires, which could account for as much as two-thirds of the wildfire claims for 2017 and 2018.

New regulations face promised court challenge from environmental groups, state attorneys general.

As global markets change quickly, Top 200 firms can't add size and new capabilities fast enough

Although global supply is not running out, some developing regional markets struggle with sand supply problems.