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Photo: Tony Karumba/AFP via Getty Images

In East Africa, the Middle East and South Asia, traveling locust swarms the size of Manhattan are putting potentially hundreds of millions at risk of starvation in what the UN has called the worst outbreak in a quarter of a century.

What it means: "Millions will starve because clouds of approximately 80 million desert locusts per square kilometer are voracious," writes Robert Rotberg, founding director of the Harvard Kennedy School’s Program on Intrastate Conflict.

  • "In one day they consume wheat, barley, sorghum, or maize crops that feed 35,000 people. Masses the size of cities can consume 1.8 million metric tons of vegetation every day – enough to feed 81 million people."
  • "The United Nations is to test drones equipped with mapping sensors and atomizers to spray pesticides in parts of east Africa battling an invasion of desert locusts that are ravaging crops and exacerbating a hunger crisis."

What's happening: The outbreak had been mostly confined to Kenya, Ethiopia and Somalia initially, but the UN Food and Agriculture Organization (FAO) says it’s now tracking 15 countries in Africa, the Middle East and South Asia affected by the locusts, Scientific American reports.

  • "The swarms have appeared in a swath hundreds of miles wide, from South Sudan in the west to parts of Pakistan in the east."

What's next: Authorities in East Africa are already undertaking a coordinated campaign of aerial pesticide spraying, "but experts say the scale of the infestation is beyond local capacity as desert locusts can travel up to 150 km (95 miles) in a day," the World Economic Forum notes.

  • This threatens to increase food shortages in a region where up to 25 million people are reeling from three consecutive years of droughts and floods.

Go deeper

Scammers seize on COVID confusion

Data: FTC; Chart: Sara Wise/Axios

Scamming has skyrocketed in the past year, and much of the increase is attributed to COVID-related scams, more recently around vaccines.

Why it matters: The pandemic has created a prime opportunity for scammers to target people who are already confused about the chaotic rollouts of things like stimulus payments, loans, contact tracing and vaccines. Data shows that older people who aren't digitally literate are the most vulnerable.

12 hours ago - Politics & Policy

Biden explains justification for Syria strike in letter to Congress

Photo: Chris Kleponis/CNP/Bloomberg via Getty Images

President Biden told congressional leadership in a letter Saturday that this week's airstrike against facilities in Syria linked to Iranian-backed militia groups was consistent with the U.S. right to self-defense.

Why it matters: Some Democrats, including Sens. Tim Kaine (D-Va.) and Chris Murphy (D-Conn.) and Rep. Ro Khanna (D-Calif.), have criticized the Biden administration for the strike and demanded a briefing.

13 hours ago - Health

FDA authorizes Johnson & Johnson's one-shot COVID-19 vaccine for emergency use

Photo: Illustration by Pavlo Gonchar/SOPA Images/LightRocket via Getty Images

The Food and Drug Administration on Saturday issued an emergency use authorization for Johnson & Johnson's one-shot coronavirus vaccine.

Why it matters: The authorization of a third coronavirus vaccine in the U.S. will help speed up the vaccine rollout across the country, especially since the J&J shot only requires one dose as opposed to Moderna and Pfizer-BioNTech's two-shot vaccines.