The second phase of war in Ukraine

President Zelensky announced this week that Russian troops have begun the battle for the Donbas region of Ukraine. As we enter week nine of Russia's invasion, this long-awaited offensive could be a decisive second phase of the war. Plus, how to talk to your kids about climate change. And, a new, shorter number to reach the National Suicide Prevention Lifeline. Guests: Axios' Dave Lawler and UK-based science and education consultant Claire Seeley. Credits: Axios Today is produced by Niala Boodhoo, Sara Kehaulani Goo, Alexandra Botti, Nuria Marquez Martinez, Alex Sugiura, and Lydia McMullen-Laird. Music is composed by Evan Viola. You can reach us at podcasts@axios.com. You can text questions, comments and story ideas to Niala as a text or voice memo to 202-918-4893. Go deeper: Russia begins large-scale offensive in eastern Ukraine Dashboard: Russian invasion of Ukraine New suicide hotline number is unknown to most Americans