New York Times: Global warming is causing more than 300,000 deaths and about $125 billion in economic losses each year, according to a report by the Global Humanitarian Forum, an organization led by Kofi Annan, the former United Nations secretary general. The report, to be released Friday, sifted data sets and existing studies of health, disaster, population and economic trends. It found that human-influenced climate change – mainly by exacerbating flooding and drought – was elevating the global …