By speeding the demise of coal, which is far dirtier, cheap natural gas has done as much to reduce carbon emissions as any government regulation. But the returns are already diminishing: Natural gas also emits carbon dioxide, and this year for the first time the amount will exceed that of coal in the U.S. The most efficient way to ...

  On Saturday, donors to the Global Fund pledged nearly $13billion to eradicate the three deadly maladies — AIDS, tuberculosis and malaria — by 2030. The money is expected to help save 8 million lives. The Global Fund demonstrates that collective effort and global commitment can do wonders. Since 2002, the Fund has spent $30 billion to fight the three ...

  Bloomberg Saudi Arabian stocks declined the most in the Gulf as the kingdom’s equities traded for the first time in a week, tracking a selloff across developing nations as investors weigh the chances of a U.S. interest rate increase this year. The Tadawul All Share Index dropped 1.9 percent on Sunday as it reopened after a week-long religious holiday. ...