A U.S. government report published Tuesday finds the change in weather patterns over the least 50 years is tied largely to the burning of fossil fuels. The National Climate Assessment finds the U.S. average temperature has increased by as much as 1.9 degrees Fahrenheit since record keeping began in 1895, and most of that increase has occurred since the 1970s. “The global warming of the past 50 years is primarily due to human activities, predominantly the burning of fossil fuels,” the report finds. The 840-page report said that climate change has “moved firmly into the present,” with the economies in all U.S. territories feeling the impact. “This National Climate Assessment concludes that the evidence of human-induced climate change continues to strengthen and that impacts are increasing across the country,” it said. The report finds the amount of warming projected during the next few decades […]