CNN CNN Newsroom Live December 2, 2019 08:40:00
>> reporter: well, this is largely a technical conference more than anything else, but it's a very important one because basically the failure of paris, many believe, was the fact that there were no real -- there was no real enforcement mechanism outlined in the paris agreements four years ago, cop21, and no enforcement mechanisms, and the goals were nowhere near high enough. the people who are gathering, the climate scientists and government officials, about 30 heads of state in government there, are basically hoping to basically tighten things up ahead of next year's very important conferenc...