The Maryland Utility RELIEF Act cost study draws criticism for bias against wind and solar energy, while supporters say it clarifies costs for ratepayers.
Even as California and Washington state prepare to merge their cap-and-trade climate programs, New York's retreat from creating a similar program has sparked renewed debates about energy costs.
Researchers in Brazil are crossbreeding arabica coffee with rare, more resilient species to help the crop survive rising temperatures, drought and disease.
Major reports from the Intergovernmental Panel on Climate Change are still on track, but procedural gridlock and a looming funding shortage hint at future problems.
