good evening, welcome, i m earth nature. just ahead on cnn newsroom, russian warplanes are accused of taking down a u.s. drone over the black sea. it s a potentially dangerous escalation at a critical moment in moscow s war against ukraine. we are tracking two major coastal storms in the u.s.. more flooding in california, and a nor easter dumping feet of snow in new england. plus, coming soon to florida beaches, a giant blob of stinky seaweed. around twice the width of the united states and visible from space. i ll speak to a leading researcher about the dangers it poses on sea and on land, the impact would have on tourism, and what it will take to clean up the mess. live from cnn center, this is cnn newsroom was rosemary church. good to have you with us. while, the u.s. air force says american and allied jets will continue to operate in international airspace after a confrontation with russia over the black sea near ukraine. the u.s. military says russian fighter
administration is investigating a another close call between two commercial jetliners. it happened at a reagan national airport outside washington, d.c., on march 7th. a republic airways flight crossed a runway that a united airlines flight was using to take off. listen to this exchange between the control tower and the united airlines pilot. united 2003, you might want to stay clear for takeoff roll, united 2003. 2003, cancel the takeoff clearance. a boarding take off, a boarding take off, united 2003. that was the seventh near collision instant since the start the year. well, in just a few, hours at the faa will hold a meeting outside washington to address the recent near-collision incident s. the set to bring together