Climate change: How US-China Glasgow deal may help fight global warming

At the Paris summit on climate change in 2015, world leaders agreed to contain global warming to 2 degrees Celsius, and strive to bring Earth’s average temperature to 1.5 degrees Celsius, below the pre-industrial levels. But how to do it has been a bone of contention. Now, at the Glasgow summit, a deal between the United States and China offers fresh hope.