Your best ideas happen in conversations. Plaud makes sure you never lose them. 22% off—biggest sale of the year. Shop now on Plaud site or Amazon. Get 10% off here: Exclusive link: plaud.ai/WHATIF 10% code: WHATIF Amazon: amzn.to/4h5jKAG NotePin S: amzn.to/4bQo6bc 10% code: T5T8G876 Mountains of ice across the planet explode into water. Entire cities and countries, obliterated. The biggest worldwide tsunami in the history of the planet. But where would all this water go? Which places would be lost, and which survive? And how long until humanity would go extinct? 00:00 What If All Glaciers Melted Instantly? 00:42 Mountain Glaciers vs. Ice Sheets 01:25 Scenario 1: All Alpine Glaciers Melt Instantly 02:03 Drying Up the World's Major Rivers 03:47 The Impact on Coastal Sea Levels 05:25 Scenario 2: The Two Great Ice Sheets (Greenland & Antarctica) 07:42 99% of Freshwater Ice & Gravity Shifts 08:24 The 65-Meter (215 ft) Sea Level Rise 09:16 The Deep Ocean Tsunami P...