The ice-covered Grímsvötn volcano produced an unusually large and powerful eruption in 2011. Now, says this volcanologist, there are clear signs that Grímsvötn is getting ready to erupt again.
New research suggests that a series of huge volcanic eruptions, 233 million years ago, led to a mass extinction event that heralded the dawn of the dinosaurs.
On September 15, 2020, Arctic sea ice reached its annual minimum extent, the 2nd-lowest on record. The Arctic region in general is warming 3 times faster than the rest of the planet.
Several new studies released in recent weeks paint a dire picture of the ongoing melting of Earth's freshwater ice sheets and glaciers, 99% of which are found in Greenland and Antarctica.
Not only was August 2020 the 2nd-warmest August on record, but the Northern Hemisphere had its warmest summer on record, and the globe as a whole had its 3rd-hottest 3-month season.