Noah Wicks

St. Lawrence Seaway workers have a tentative deal with the waterway's management corporation, ending a weeklong strike that halted the transport of goods through the system.

Arizona, California and Nevada's plan for conserving at least 3 million acre feet of water will be more effective at staving off the threat of two primary Colorado River reservoirs falling to "critical elevations" over the next three years than current guidelines, the Bureau of Reclamation said Wednesday.

The Agriculture Department could help drive more participation in voluntary carbon markets through technical assistance and outreach, according to a report released by the agency on Monday.