2015 Was by Far the Hottest Year on Record


2015 was almost certainly the hottest year since we began keeping records, according to data released today by NASA and the National Oceanic and Atmospheric Administration. In a press release Wednesday, NASA stated that it was 94 percent confident that last year was the warmest since 1880. Here’s a chart from NOAA:

NOAA/NASA

“Record warmth was spread throughout the world,” said Thomas Karl, director of NOAA’s National Centers for Environmental Information. “Ten of 12 months were records. That’s the first time we’ve seen that.”

NASA/NOAA

Shattered global temperature records are becoming increasingly commonplace, thanks to climate change; with today’s announcement, all five of the hottest years on record have occurred in the last decade. But the amount by which 2015 shattered the previous record, in 2014, was itself a record, scientists said. That’s due in part to this year’s El Niño, characterized by exceptionally high temperatures in the Pacific Ocean.

NASA/NOAA

But Gavin Schmidt, director of NASA’s Goddard Institute for Space Studies, said the effects of El Niño only really appeared in the last few months of the year, and that 2015 likely would have been a record year regardless. 

“2015 was warm right from the beginning; it didn’t start with El Niño,” he said. “The reason this is such a record is because of the long-term trend, and there is no evidence that trend has slowed or paused over the last two decades.”

NASA/NOAA

Schmidt added that El Niño is likely to persist into 2016, which means we could be in for a record-breaking year yet again.

More Mother Jones reporting on Climate Desk

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WHO DOESN’T LOVE A POSITIVE STORY—OR TWO?

“Great journalism really does make a difference in this world: it can even save kids.”

That’s what a civil rights lawyer wrote to Julia Lurie, the day after her major investigation into a psychiatric hospital chain that uses foster children as “cash cows” published, letting her know he was using her findings that same day in a hearing to keep a child out of one of the facilities we investigated.

That’s awesome. As is the fact that Julia, who spent a full year reporting this challenging story, promptly heard from a Senate committee that will use her work in their own investigation of Universal Health Services. There’s no doubt her revelations will continue to have a big impact in the months and years to come.

Like another story about Mother Jones’ real-world impact.

This one, a multiyear investigation, published in 2021, exposed conditions in sugar work camps in the Dominican Republic owned by Central Romana—the conglomerate behind brands like C&H and Domino, whose product ends up in our Hershey bars and other sweets. A year ago, the Biden administration banned sugar imports from Central Romana. And just recently, we learned of a previously undisclosed investigation from the Department of Homeland Security, looking into working conditions at Central Romana. How big of a deal is this?

“This could be the first time a corporation would be held criminally liable for forced labor in their own supply chains,” according to a retired special agent we talked to.

Wow.

And it is only because Mother Jones is funded primarily by donations from readers that we can mount ambitious, yearlong—or more—investigations like these two stories that are making waves.

About that: It’s unfathomably hard in the news business right now, and we came up about $28,000 short during our recent fall fundraising campaign. We simply have to make that up soon to avoid falling further behind than can be made up for, or needing to somehow trim $1 million from our budget, like happened last year.

If you can, please support the reporting you get from Mother Jones—that exists to make a difference, not a profit—with a donation of any amount today. We need more donations than normal to come in from this specific blurb to help close our funding gap before it gets any bigger.

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