New CO2 Record Prompts a Scientist to Ask, ‘What’s It Going to Take for Us to Wake Up?’ – Discover Magazine
CO2 levels are now 50 percent higher than in pre-industrial times — a level not seen for 4 million years.
Every year at this time, headlines proclaim that carbon dioxide in the atmosphere has climbed to record high levels. But that really shouldn’t be all that surprising, given that CO2 has risen to a new high every single year but one since direct measurements began in 1958.
Now, however, an arguably more meaningful milestone has been passed.
The economies of rich countries will shrink by twice as much as they did in the Covid-19 crisis if they fail to tackle rising greenhouse gas emissions, according to research.
Miami’s new chief heat officer has called for greater federal and state action on the lethal threat posed by rising temperatures after becoming the first official in the US appointed to focus solely on heatwaves.
A giant slab of ice almost four times the size of New York City has sheared off from the frozen edge of Antarctica into the Weddell Sea, becoming the largest iceberg afloat in the world…
A tenth of the world’s mountain glacier ice will have melted by the middle of this century even if humanity meets the goals of the Paris climate agreement…
The Muldrow Glacier, on the north side of Denali in Alaska, is undergoing a rare surge. In the past few months the 39-mile-long river of ice has been moving as much as 90 feet a day, 100 times its usual speed.
Twice a day for the past half a century, a weather balloon to measure atmospheric conditions was released from a research station situated on Cape Cod, Massachusetts. Faced with advancing seas that are set to devour it, the outpost has now been abandoned.
In coastal North Carolina, evidence of forest die-off is everywhere. Nearly every roadside ditch I pass is lined with dead or dying trees.
The Greenland ice sheet is on track to lose mass at about four times the fastest rate observed over the past 12,000 years.