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A local resident reacts watches a forest fire approach the village of Pefki on Evia island in Greece. Photo: Angelos Tzortzinis/AFP via Getty Images

New climate science insights have enabled researchers to narrow the projected range of warming that would occur for a doubling of carbon dioxide in the atmosphere, which is known as the "equilibrium climate sensitivity" (ECS).

The intrigue: Some of the newer computer models used for the latest Intergovernmental Panel on Climate Change report show higher-end climate sensitivity results, and therefore, much more warming.

How it works: However, armed with better knowledge of historical climate change, and guided by additional tools, scientists narrowed the "very likely" range of global warming by the end of the century, relative to 1850-1900 levels, to between 2°C and 5°C (3.6°F to 9°F). The likely range is now between 2.5°C and 4°C (4.5°F to 7.2°F).

  • This compares to the previous report's range of 1°C to 6°C (1.8°F to 10.8°F), with a "likely" range of 1.5°C to 4.5°C.
  • The new very likely range has at least 90% confidence.
  • This means we're less likely to get by with low levels of warming by adding more CO2 to the air, but also that higher-end scenarios falling outside the range are more remote possibilities.

Go deeper: Sweeping UN report finds effects of climate change even more severe than we thought

Go deeper

New media company seeks to be the opposite of climate "doomscrolling"

Illustration: Rae Cook/Axios

Pique Action, a new media company launching today, is betting that short form "micro-documentaries" that tell stories about people working to reduce greenhouse gas emissions will help to counteract our doom-scrolling tendencies.

Why it matters: The media organization, launched by film veteran Kip Pastor (whose credits include "In Organic We Trust," and "Sickhouse," the first film shot and distributed on SnapChat) and social media strategist Tyler Steinhardt, plans to distribute positive stories about climate solutions through social media platforms like SnapChat, Youtube, TikTok and Twitter.

School enrollment fell by almost 3 million from 2019 to 2020

Kindergarten student Natalia Bayoumi holds the hand of her father Amir Bayoumi as he walks to the front door of Normont Elementary School in Harbor City, CA. Photo: Al Seib / Los Angeles Times via Getty Images

The number of individuals enrolled in the U.S. education system dropped by 2.9 million from 2019 to 2020, according to new data released Tuesday by the Census Bureau.

Why it matters: This marks the lowest level of school enrollment for those under 35 years-old in over 20 years, per the Census Bureau.

Updated 2 hours ago - Politics & Policy

Facebook paying up to $14M to settle employment discrimination claims

Photo: T.J. Kirkpatrick/Bloomberg via Getty Images

Facebook has agreed to pay up to $14.25 million to settle allegations that it discriminated against U.S. workers by reserving positions for temporary visa holders, the Justice Department announced on Tuesday.

Why it matters: The settlement represents the largest civil penalty and monetary award that the Civil Rights Division has recovered in the 35-year history of the Immigration and Nationality Act's anti-discrimination provision.