Tim Halbur

A pilot carbon capture project in Pleasant Prairie, Wisconsin claims to be safely sequestering carbon emissions using a chilled ammonia process.

A Grist writer and environmentalist takes a trip to the Talladega Superspeedway to try to understand what the petroleum-wasting is really all about.

The problem with white roofs is that while they keep apartments and the atmosphere cool, come winter people want that heat to absorb. A new high-tech roofing material switches from white to black when needed.

Richard Florida takes a look at a recent report showing connecting solo commuters with location and comes up with an interesting demographic breakdown.

Raleigh planner Dan Douglas has some bold proposals for the city, including nine new public squares, green roofs, and a new Grand Central Station-style transit hub.