Endangered coffee crops drive up prices and threaten livelihoods

As you sip your morning cup of coffee, you may find this interesting: British scientists this week said three to four cups a day are likely to do more good for you than harm.They say coffee is linked to a lower risk of heart disease and premature death, but some coffee crops are being threatened now -- by changes in the environment.15,000 scientists issue dire warning that "time is running out" on climate changeTo many, it's the other dark liquid that powers the world: coffee.But because of the