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Protestors in Munich advocating for more environmental protections. Photo: Alexander Pohl/NurPhoto via Getty Images

A study out Tuesday shows global temperatures will still far exceed the Paris goals even if the largest emitters like China, the U.S. and India were to aggressively cut emissions by mid-century, the second study unveiled yesterday shows.

Why it matters: Avoiding that places a huge burden on the developing world to deeply cut emissions fast — and creates a big responsibility to help those nations employ the tech to do it, according to the research published in the journal Earth's Future.

The bottom line: "Real progress toward the Paris Agreement goal awaits an effective commitment by leading countries to undertake breakthrough research and development of low‐, zero‐, or even negative‐carbon‐emissions energy technologies that can be deployed at scale in the developing world," it states.

What they did: The paper explores how much different parties would need to cut emissions under an aggressive decarbonization pathway that could hold global temperature rise below 2°C.

It gets sobering fast, stating...

"Even if the United States, [EU], China, and India were able to halve their emissions each decade 2020–2050 ... the accomplishment would nevertheless leave a huge and debilitating challenge for the rest of the world."

Threat level: The paper assesses the cuts to global CO2 needed based on different odds of achieving the Paris temperature goal.

  • To have even a 66% chance of staying under 2°C would mean, in addition to the biggest emitters' cuts, the rest of the world would need to "immediately change its current course" and also cut emissions in half every decade, starting now.

What they're saying: Co-author Glen Peters of Norway's Center for International Climate Research said both deployment of existing tech and breakthroughs are needed.

  • "Even to maintain cost declines of existing renewables will require innovation. And developments are not only needed in the generation sector, but also distribution, end-use, etc.," he said in an email exchange.

Go deeper: The biggest nations' climate culpability

Go deeper

The new Washington

Illustration: Sarah Grillo/Axios

The Axios subject-matter experts brief you on the incoming administration's plans and team.

Rep. Lou Correa tests positive for COVID-19

Lou Correa. Photo: Tom Williams/CQ-Roll Call, Inc via Getty Images

Rep. Lou Correa (D-Calif.) announced on Saturday that he has tested positive for the coronavirus.

Why it matters: Correa is the latest Democratic lawmaker to share his positive test results after last week's deadly Capitol riot. Correa did not shelter in the designated safe zone with his congressional colleagues during the siege, per a spokesperson, instead staying outside to help Capitol Police.

Far-right figure "Baked Alaska" arrested for involvement in Capitol siege

Photo: Shay Horse/NurPhoto via Getty Images

The FBI arrested far-right media figure Tim Gionet, known as "Baked Alaska," on Saturday for his involvement in last week's Capitol riot, according to a statement of facts filed in the U.S. District Court in the District of Columbia.

The state of play: Gionet was arrested in Houston on charges related to disorderly or disruptive conduct on the Capitol grounds or in any of the Capitol buildings with the intent to impede, disrupt, or disturb the orderly conduct of a session, per AP.