deescalate the situation in ukraine. a newly released u.n. report says climate change is now being felt the world over and warns there could be major consequences, including less fresh water available, diminishing land, and possible species extinction. the report urges governments to reduce greenhouse gas emissions to reduce the risks before it's too late. as the search for malaysian airlines flight 370 ramps up, a cnn team is in a vessel that will be following the ocean shield. that's an australia shield with a blax box detecter that will deploy to the indian ocean search zone. cnn's walt ripley joins us now live. so we know that the pinger