The world’s energy system would need substantial investments to meet demand, a global agency said, while warning that urgent action was required to curb carbon emissions.

The world’s energy system would need substantial investments to meet demand, a global agency said, while warning that urgent action was required to curb carbon emissions.

The world’s energy system would need substantial investments to meet demand, a global agency said, while warning that urgent action was required to curb carbon emissions.

The world’s energy system would need substantial investments to meet demand, a global agency said, while warning that urgent action was required to curb carbon emissions.

European Union governments approved a potentially costly system capping greenhouse gases from any airline flying into or out of the trade bloc.

European Union governments approved a potentially costly system capping greenhouse gases from any airline flying into or out of the trade bloc.

European Union governments approved a potentially costly system capping greenhouse gases from any airline flying into or out of the trade bloc.

Concerns about global warming and dwindling supplies of fossil fuels has rekindled interest in building nuclear power reactors.

Concerns about global warming and dwindling supplies of fossil fuels has rekindled interest in building nuclear power reactors.

After three decades without starting a single new plant, the American nuclear power industry is getting ready to build again.