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Even if we stop emitting greenhouse gasses, it is too late to reverse the damage done — the Greenland ice sheet is beyond saving, according to a new study published in the journal Communications Earth & Environment last Thursday, based on a review of more than 30 years of satellite data. “We’ve passed the point of no return but there’s obviously more to come,” author Ian Howat of Ohio State University told CNN. “Rather than being a single tipping point in which we’ve gone from a happy ice sheet to a rapidly collapsing ice sheet, it’s more of a staircase where we’ve fallen off the first step but there’s many more steps to go down into the pit.”
Why This Matters: The perfect metaphor for the climate crisis. We have fallen off the first step and we can’t stop, but we don’t know how bad it will feel as we keep falling, and falling, and falling. The bottom line is that Florida and other coastal areas are going to be under water and there is no stopping that — we must adapt. The three feet of sea-level rise predicted will cause major damage and disruption to the 40% of Americans who live in areas that are vulnerable.
Greenland’s Ice Going, Going
Studying four decades of satellite data, the study’s authors were able to make some rather stunning conclusions, as reported by CNN. For example:
Greenland’s ice sheet is “retreating in rapid bursts, leading to a sudden and unpredictable rise in sea levels, making it difficult to prepare for the effects.”
After 2000, “the ice sheet shrank so rapidly that replenishing snowfall would not keep up with the rate of melting from parts of the glacier newly exposed to warmer ocean water.”
“All 200 glaciers that make up the Greenland ice sheet have been observed retreating.”
Greenland icemelt is the largest contributor to global sea-level rise — as Ecowatch put it, what happens in Greenland does not stay in Greenland. National Geographic has a new documentary premiering next month that looks ahead to what will be the “Last Ice” areas in the Arctic.
After a four-year hiatus under the Trump administration, the Environmental Protection Agency’s Climate Change Indicators website is back in action. The public portal includes data on 54 indicators including sea-level rise, Great Lakes ice cover, heat waves, river flooding, and residential energy use.
Why This Matters: People are experiencing the impacts of climate change in their everyday lives, from hotter temperatures to more intense wildfire seasons.
When reading about climate change, you’ll often come across the unit of measurement called a “metric ton of CO2.” That sounds like a lot, but the unit is a bit abstract for most of us when our reference point for a ton is a VW Beetle, the Liberty Bell, or even a baby humpback whale […]
According to a new report from Christian Aid, Kenya, which produces half of all black tea consumed by the UK, may lose a quarter of its growing capacity by 2050, and the tea that makes it into drinkers’ cups may taste a lot different than before. The decline of tea farming has implications for economies worldwide, including Kenya, India, China, and Sri Lanka.
Why This Matters: Tea is the most popular drink other than water globally and the tea industry employs more than 3 million people in Africa alone.
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