climate change July 23, 2020 7:10 am Extinction Event: How Climate Change May Spell Doom for the Polar Bear New study reveals the polar bear may become extinct by end of the 21st century because of climate change. Local 1:24 Jalen Brunson leading Knicks: ‘Orange and blue skies in NYC' 26:02 Hamas accepts ceasefire proposal: The News4 Rundown 3:00 Seth Rogen & Lauren Rogen recruit celebrity friends to help teach brain health education 2:53 Evening weather, May 6 1:56 ‘I didn't expect it': DC special needs teacher honored