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Drift ice in the Arctic Ocean. Photo: Arterra/UIG via Getty Images

The global average temperature for the first quarter of 2018 was cooler than in recent years but warm compared to historical averages, new federal data shows.

By the numbers: Temperatures were 1.33°F above the 20th century average, and it was the sixth-warmest January–March in modern temperature records that date back to 1880.

  • "The 2018 year-to-date value was 0.77°F lower than the record high set in 2016 and was the coolest such period since 2014. The years 2015-2017 rank among the three warmest January–March on record," the National Oceanic and Atmospheric Administration said in its latest monthly climate snapshot.

Up north: The data also highlights the ongoing reduction in sea ice in the Arctic.

  • "On March 17, the Arctic sea ice extent reached its annual maximum extent at 5.6 million square miles. This was the second lowest maximum extent on record, behind 2017. The four smallest Arctic sea ice maximum extents have occurred in the last four years," NOAA said.
  • Why this matters: From a separate NASA primer on the topic last month:
"The decline of the Arctic sea ice cover has myriad effects, from changes in climate and weather patterns to impacts on the plants and animals dependent on the ice, and to the indigenous human communities that rely on them. The disappearing ice is also altering shipping routes, increasing coastal erosion and affecting ocean circulation."

Go deeper

Complaint to FTC: Amazon search results full of potentially deceiving ads

Photo: Nigel Kirby/Loop Images/Universal Images Group via Getty Images

Amazon does not sufficiently distinguish between its search results and paid ads, potentially "deceiving millions of consumers," according to a complaint filed to the Federal Trade Commission.

Why it matters: Joan Moriarty, research director for the Strategic Organizing Center, a coalition of labor unions that filed the complaint, told the Washington Post the group is "very hopeful" that the FTC will investigate the complaint because Lina Khan (D), a known Amazon critic, is now chair.

3 hours ago - Health

Pfizer-BioNTech: Booster doses more effective at blocking Omicron

Prepared doses of the BioNtech-Pfizer Covid-19 coronavirus vaccine in Germany on Dec. 7. Photo: Thomas Kienzle/AFP via Getty Images

Pfizer and BioNTech said Wednesday that two doses of their COVID-19 vaccine were significantly less effective at neutralizing the Omicron variant in early lab tests, but a three-dose regimen was more effective.

Why it matters: Omicron, which has been labeled a variant of concern by the World Health Organization after being identified by scientists in South Africa last month, has forced vaccine makers to reassess the effectiveness of their vaccines against this specific new form of coronavirus.

Mike Allen, author of AM
3 hours ago - Politics & Policy

Biden unveils "Building a Better America" branding

President Biden speaks on infrastructure while visiting a bridge in Woodstock, N.H., last month. Photo: John Tully/Getty Images

President Biden today launched a new website and unveiled bold new branding as part of a nationwide tour to sell the benefits of his infrastructure package.

Why it matters: The White House says passage of the new law shows the ability to "forge bipartisan consensus and prove our democracy can deliver big wins" even in these toxic times.