Seeding our oceans

Roddy Scheer

Ocean fertilization is a technique whereby swaths of ocean are “seeded” with iron to promote the growth of phytoplankton (microscopic plants that form the base of the marine food chain), and is one of several promising geo-engineering techniques that could help mitigate global warming.

Warner, Kaine urge GAO to investigate guardrail safety

Chris Graham

U.S. Sens. Mark Warner and Tim Kaine (both D-VA) wrote to the head of the U.S. Government Accountability Office to request a formal investigation into the Federal Highway Administration (FHWA) process for evaluating the safety of roadside hardware, including guardrails that have been implicated in more than a dozen serious accidents – some fatal – nationwide, including in Virginia.