G20 leaders call for effective action to cap global warming at 1.5C -official

U.S. President Joe Biden and other leaders stand for a family photo at the G20 summit at the La Nuvola in Rome, Italy October 30, 2021. Erin Schaff/Pool via REUTERS

ROME (Reuters) - Leaders of the Group of 20 rich countries called for "meaningful and effective" action to limit global warming at 1.5 degrees Celsius in a final communique seen by Reuters on Sunday ahead of its publication.

However, the communique contained few concrete actions and made no reference to a specific 2050 date to achieve net zero carbon emissions that scientists say is vital to stave off disastrous climate change.