Copernicus scientists said the Arctic suffered extreme heat and atmospheric concentrations of planet-warming carbon dioxide continued to rise.

The 27 member states agreed to cut emissions at least 55% by 2030 compared with 1990 levels after a group of reluctant, coal-reliant countries finally accepted the improved goal.

Prime Minister Yoshihide Suga last month announced Japan would aim to cut greenhouse gas emissions to net zero by 2050.

The $6.7 billion announced Monday covers the next five years and includes money to power transportation with electricity.

The smoke has caused emergency room visits to spike and potentially thousands of deaths among the elderly and infirm.

A federal government lawyer has argued for the case to be dismissed because a court should not step into the political arena when it comes to policy decisions related to greenhouse gas emissions.

Facebook has faced allegations that it permits false claims around climate change through a policy that exempts opinion articles from its external fact-checking system.

Gavin Newsom denounced the ``ideological BS'' of those who deny the danger while standing in the ashes of a burned forest, one of several affected by this season's blazes.

For decades, scientists have warned of such events, but have been wary of saying that a particular storm or heat wave was a direct result of climate change. That's now changing.

Andrew Wheeler said the agency was moving back toward an approach that had long promoted economic growth as well as a healthy environment and drawn bipartisan support.