Explained in 90 Seconds: What the @#% Is Climate Change Doing to El Niño?

Imagine this is your office: a tropical island skirted by coral-packed azure waters, somewhere near the equator between Hawaii and Tahiti. Your job involves a lot of swimming. Tough, huh? “My field research is the best part of my job,” says Kim Cobb, Associate Professor of Climate Change at Georgia Institute of Technology. “It’s probably the reason I have stuck with corals for the last 15 years.”

Stuck with, and collected and sampled. For the past seven years, Cobb and her lab team have been recontructing the history of El Niño events across several millenia by taking core samples from corals in the Pacific. That process has uncovered reams of fresh climate data. And it’s within this new, longer baseline of temperatures from the tropical Pacific that Cobb spotted something surprising: “The 20th century is significantly, statistically stronger in its El Niño Southern Oscillation activity than this long, baseline average,” Cobb says. El Niño events have gotten worse.

That led Cobb to wonder: Is man-made climate change, and the level of carbon in the atmosphere, shifting in El Niño events along with it? Or should we chalk it up to coincidence? “We need a lot more data,” Cobb says. But Cobb’s 7000-year baseline study should push researchers in the right direction to discover more connections between Earth’s complex climate systems, and the role man-made climate change is playing.

Cobb’s results have been published in the latest edition of Science.

More Mother Jones reporting on Climate Desk

LET’S TALK ABOUT OPTIMISM FOR A CHANGE

Democracy and journalism are in crisis mode—and have been for a while. So how about doing something different?

Mother Jones did. We just merged with the Center for Investigative Reporting, bringing the radio show Reveal, the documentary film team CIR Studios, and Mother Jones together as one bigger, bolder investigative journalism nonprofit.

And this is the first time we’re asking you to support the new organization we’re building. In “Less Dreading, More Doing,” we lay it all out for you: why we merged, how we’re stronger together, why we’re optimistic about the work ahead, and why we need to raise the First $500,000 in online donations by June 22.

It won’t be easy. There are many exciting new things to share with you, but spoiler: Wiggle room in our budget is not among them. We can’t afford missing these goals. We need this to be a big one. Falling flat would be utterly devastating right now.

A First $500,000 donation of $500, $50, or $5 would mean the world to us—a signal that you believe in the power of independent investigative reporting like we do. And whether you can pitch in or not, we have a free Strengthen Journalism sticker for you so you can help us spread the word and make the most of this huge moment.

payment methods

LET’S TALK ABOUT OPTIMISM FOR A CHANGE

Democracy and journalism are in crisis mode—and have been for a while. So how about doing something different?

Mother Jones did. We just merged with the Center for Investigative Reporting, bringing the radio show Reveal, the documentary film team CIR Studios, and Mother Jones together as one bigger, bolder investigative journalism nonprofit.

And this is the first time we’re asking you to support the new organization we’re building. In “Less Dreading, More Doing,” we lay it all out for you: why we merged, how we’re stronger together, why we’re optimistic about the work ahead, and why we need to raise the First $500,000 in online donations by June 22.

It won’t be easy. There are many exciting new things to share with you, but spoiler: Wiggle room in our budget is not among them. We can’t afford missing these goals. We need this to be a big one. Falling flat would be utterly devastating right now.

A First $500,000 donation of $500, $50, or $5 would mean the world to us—a signal that you believe in the power of independent investigative reporting like we do. And whether you can pitch in or not, we have a free Strengthen Journalism sticker for you so you can help us spread the word and make the most of this huge moment.

payment methods

We Recommend

Latest

Sign up for our free newsletter

Subscribe to the Mother Jones Daily to have our top stories delivered directly to your inbox.

Get our award-winning magazine

Save big on a full year of investigations, ideas, and insights.

Subscribe

Support our journalism

Help Mother Jones' reporters dig deep with a tax-deductible donation.

Donate