The clock is ticking: The International Energy Agency, based in Paris, warned that possibility of holding global warming to 2 degrees Celsius—or 3.6 degrees Fahrenheit—was rapidly slipping away.

时间有限：设在巴黎的国际能源组织警告说：控制全球变暖2摄氏度或3.6华氏度的最佳机会可能错过。