Ice Melt

By Karen Smith | – One of the earliest climate model predictions of how human-made climate change would affect our planet showed that the Arctic would warm about two to three times more than the global average. Forty years later, this “Arctic amplification” has been observed firsthand. Record-breaking Arctic warming and the dramatic decline of […]

Climate Crisis

Ancient Antarctic ice melt caused extreme sea level rise 129,000 years ago – and it could happen again

The Conversation

By Chris Fogwill, Chris Turney, and Zoë Thomas | – Rising global temperatures and warming ocean waters are causing one of the world’s coldest places to melt. While we know that human activity is causing climate change and driving rapid changes in Antarctica, the potential impacts that a warmer world would have on this region […]

Climate Crisis

It is 65° F. in Antarctica and if the Thwaites Glacier Plops in, Expect 4 ft. of Sea Level Rise

Juan Cole

Ann Arbor (Informed Comment) – The Argentinean Esperanza research station in Antarctica — the South Pole — recorded a temperature of nearly 65° F. (18° C.) this week, a historic record. A single temperature record like this one is weather, and by itself would not prove much. Unfortunately, it was not a fluke. It is […]

Climate Crisis

If Global Heating Exceeds 3.6° F., Antarctica’s Melt could Raise Seas 60 Feet over Time

The Conversation

By Georgia Rose Grant and Timothy Naish | – We know that our planet has experienced warmer periods in the past, during the Pliocene geological epoch around three million years ago. Our research, published today, shows that up to one third of Antarctica’s ice sheet melted during this period, causing sea levels to rise by […]

Climate Crisis

As humans burn fossil fuels, global sea level is rising 2x the rate of the 20th century

The Conversation

By Cassandra Brooks | – The U.N.‘s climate panel report released Sept. 25 makes crystal clear that the planet’s oceans, snow and ice are in dire trouble and the damage is causing harm to the people who depend on them. Even with aggressive efforts to lower greenhouse gas emissions, many nations will struggle to adapt. […]

Climate Change

New research shows that Antarctica’s largest floating ice shelf is highly sensitive to warming of the ocean

The Conversation

By Dan Lowry | – Scientists have long been concerned about the potential collapse of the West Antarctic Ice Sheet and its contribution to global sea level rise. Much of West Antarctica’s ice lies below sea level, and warming ocean temperatures may lead to runaway ice sheet retreat. Since the last ice age, the ice […]

Climate Change

Be Afraid, Very Afraid: Greenland Ice Sheets Cascading into Ocean 50 Years Ahead of Schedule

Juan Cole

Ann Arbor (Informed Comment) – Amid the European heat wave, Ruth Mottram of the Danish Meteorological Institute set off a panic this week when she observed that Greenland lost 11 billion tons of ice on August 1, the most in recorded history, and half the ice sheet was experiencing some level of melting. She added […]

Climate Change

If Antarctica Melts, Seas will Rise a Gigantic 190 Feet; It has Started Losing Ice Rapidly

The Conversation

By Nerilie Abram, Matthew England, and Matt King | – A record start to summer ice melt in Greenland this year has drawn attention to the northern ice sheet. We will have to wait to see if 2019 continues to break ice-melt records, but in the rapidly warming Arctic the long-term trends of ice loss […]

Climate Change

Ocean Heat hits Record High, in Bad News for Planet

AFP

The thermal expansion — water swelling as it warms — is expected to raise sea levels 12 inches