Hydrogen ranks No. 1 in the Periodic Table of Elements, but its carbon-heavy production process has made it a target – not only of environmental concerns — but of potential solutions. Its elemental role in a variety of industrial production processes has made the pursuit of CCS technologies (carbon capture and sequestration) a rising star in a Texas-led pursuit of scalable environmental abatement. Alan Alexander, a partner at Vinson & Elkins, has made himself part of that pursuit. His views are part of this week’s CDT Roundup, along with the usual summaries of new transactions and the roster of lawyers who made them.