How did our climate system behave the last time it warmed up like it’s doing today?
News & Views
Changes in the annual summer monsoon that drops rain onto East Asia likely altered the course of early human cultures in China, say the authors of a new study.
Two scientists who untangled the forces that drive El Niño, the world’s most powerful weather cycle, won the 2017 Vetlesen Prize for achievement in Earth sciences.
The four new Fellows are a diverse group of junior and mid-career scientists with research interests spanning a range of climate topics and regions.
Evidence buried in Greenland’s bedrock shows that the Greenland Ice Sheet nearly disappeared for an extended time in the last million years or so.
Floats deployed by Lamont scientists will find areas where warmer than normal water could put the Ross Ice Shelf at risk.
In the far north, climate is warming two to three times faster than the global average. How will these changes affect tundra and boreal forests?
Park Williams explains the influence of climate change on droughts and wildfires in the western United States.
23 million years ago, the Antarctic ice sheet was shrinking quickly. A new study by Lamont scientists sheds light on the cause of that ancient melt.
A new study says that human-induced climate change has doubled the area affected by forest fires in the U.S. West over the last 30 years.
As the Southwestern U.S. grows hotter, the risk of long-lasting megadroughts rises, passing 90% this century if greenhouse gas emissions continue at their current pace.
Figuring out how the global food system might respond to disturbances will ensure that everyone has safe, reliable access to the food they need.
The Center for Climate and Life will support three new fellows to conduct innovative, impactful research relevant to our mission.
Lamont’s Ryan Abernathey and Richard Seager are investigating how processes in the ocean create extreme weather and climate conditions over land.
In a new study, Lamont’s Michael Previdi and Lorenzo Polvani found that the effect of rising temperatures on snowfall in Antarctica has so far been overshadowed by the frozen continent’s large natural climate variability.
Scientist Park Williams, recipient of a Climate and Life Fellowship, is examining the influence of climate change on droughts and wildfires.
The heavy rains and flooding in Louisiana have been devastating. Can we attribute the severity of it to climate change? How you measure that depends on the questions you ask.
Join pro-surfing legend Kelly Slater at his Surf Ranch as part of a new fundraising campaign that benefits WSL PURE and the Center for Climate and Life.
Powerful tropical cyclones like the super typhoon that lashed Taiwan in July are expected to become even stronger as the planet warms.
A new study shows how Antarctic sea ice migration may be more important for the global ocean circulation than anyone realized.
In a recently published study, scientists demonstrated that two years after injecting CO2 underground at a pilot test site in Iceland, almost all of it has been converted into minerals.
Scientists working at the power plant demonstrated how CO2 emissions pumped into the earth could be chemically changed to a solid within months.
Earth’s own large-scale iron fertilization experiments over 500,000 years show adding iron to the equatorial Pacific surface has little effect.
Maureen Raymo, a marine geologist and paleoceanographer whose name is connected with key theories about how ice ages wax and wane and how sea levels change, has been elected to the National Academy of Sciences.
The World Surf League is providing $1.5 million in first-year funding for ocean science at Lamont as part of an innovative new philanthropy called WSL PURE.
A new citizen science project turns surfers and other ocean enthusiasts into the eyes of scientists studying the world’s coral reefs.
Mesoscale turbulence is where most of the kinetic energy in the oceans can be found, and it may play powerful roles in the global climate.
Using computer models, scientists compared our expected future with a scenario in which ozone-depleting substances had never been regulated.
A new study uses sediment cores to track the expansion and retreat of glaciers through time and finds they are more sensitive than realized.
Much of the modern understanding of climate has been shaped by pioneering studies done at Columbia University’s Lamont-Doherty Earth Observatory.
The Indonesian peat fires that have been choking cities across Southeast Asia are creating more than a local health menace—they’re releasing immense stores of CO2.
Using tree rings, a new drought atlas maps the reach and severity of dry and wet periods across Europe and the Mediterranean over the past 2,000 years.
As global temperatures rise, knowing just how far Greenland’s ice sheet shrank in the past could help scientists predict sea level rise in the future.
Ancient pollen is providing new insights into historic droughts in Southern California, including how a series of mega-droughts that changed the ecological landscape.
Since the late 1980s, the Southern Ocean’s rate of CO2 uptake appeared to have stagnated, alarming scientists. New data shows a recovery.
A new study of tree rings from Mongolia dating back more than 1,000 years confirms that recent warming in central Asia has no parallel in any known record.
A team of oceanographers says much of the heat trapped in the atmosphere by greenhouse gases is being soaked up and stored by the oceans–at least for now.
During the second half of the 21st century, the U.S. Southwest and Great Plains will face drought worse than anything seen in times ancient or modern, a new study says.