Axios

A comprehensive new United Nations-sponsored assessment of climate change finds that global warming is reshaping the world more rapidly and severely than was known several years ago.

Why it matters: The report finds that climate change is affecting every person's physical and mental health, and classifies nearly half of the global population as being "highly vulnerable" to climate impacts.

The U.S. is working with its European allies to look into the possibility of banning Russian oil imports, Secretary of State Antony Blinken told CNN's "State of the Union" Sunday.

Why it matters: Momentum had grown in Congress for the U.S. to cut off imports of oil from Russia in response to the invasion of Ukraine. But the White House had been reluctant to take action against the world's No. 2 oil producer.

The Russian invasion of Ukraine is turning into a seismic event for the aviation industry just as it emerges from the COVID-19 downturn.

Why it matters: The closure of vast stretches of airspace from North America to Russia has airlines scrambling to determine what routes are still feasible and which flights can be rerouted. Flight times are increasing, along with their carbon footprints.