America Rejoining Paris Climate Accord, US Joins Hands with WHO Again, What’s with the Keystone XL Pipeline? Unknown Blue Whale Discovered Through Songs

We tell you what’s even bigger than President Biden rejoining the Paris Climate Accord . Plus, since he’s rebooting relationships, President Biden gets us back into the World Health Organization. Also, guess who just canceled the Keystone XL Pipeline?  And scientists discover a previously unknown blue whale population after eavesdropping on their songs.