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Illustration: Lazaro Gamio/Axios

Climate change is reshaping aspects of our environment that many of us thought were static — from where deserts begin and end, to what we can grow in backyard or community gardens.

Why it matters: These changes portend bigger shifts to come that may reshape the global food system and lead to insecurity, with major agricultural countries facing more challenges from pests, heat waves, droughts, floods and other threats that could affect crop productivity. 

The shift was highlighted a fascinating article, "Redrawing the Map: How the World’s Climate Zones Are Shifting," by Nicola Jones in Yale Environment 360, published at the Yale School of Forestry & Environmental Studies:

  • Climate change is literally redrawing lines on the map, like "the line of where wheat will grow, or where tornadoes tend to form, where deserts end, where the frozen ground thaws, and even where the boundaries of the tropics lie."
  • The big picture: "Everything about global warming is changing how people grow their food, access their drinking water, and live in places that are increasingly being flooded, dried out, or blasted with heat waves. Seeing these changes literally drawn on a map helps to hammer these impacts home."

Among the findings:

  • "The tropics are expanding by half a degree per decade."
  • '"Since 1902, the Sahara Desert has grown 10 percent."
  • In the U.S., the boundary between the arid Western plains and the wetter, eastern region has shifted about 140 miles east since 1980.
  • Tornado Alley — a hotspot for tornado formation in the U.S. — has shifted 500 miles east since the mid-1980s.
  • Check out the maps.

Be smart: Those who will be hit the hardest by these changes will be located closer to the expanding tropics and semi-arid zones north and south of the equator.

Go deeper:

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Go deeper

Updated 5 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Annelise Capossela/Axios

  1. Health: CDC director defends agency's response to pandemic — CDC warns highly transmissible coronavirus variant could become dominant in U.S. in March.
  2. Politics: Biden readies massive shifts in policy for his first days in office.
  3. Vaccine: Fauci: 100 million doses in 100 days is "absolutely" doable.
  4. Economy: Unemployment filings explode again.
  5. Tech: Kids' screen time sees a big increase.
  6. World: WHO team arrives in China to investigate pandemic origins.
Dave Lawler, author of World
5 hours ago - World

Alexey Navalny detained after landing back in Moscow

Navalny and his wife shortly before he was detained. Photo: Kirill Kudryavtsev/AFP via Getty

Russian opposition leader Alexey Navalny was detained upon his return to Moscow on Sunday, which came five months after he was poisoned with the nerve agent Novichok. He returned despite being warned that he would be arrested.

The latest: Navalny was stopped at a customs checkpoint and led away alone by officers. He appeared to hug his wife goodbye, and his spokesman reports that his lawyer was not allowed to accompany him.

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

Biden's "overwhelming force" doctrine

President-elect Biden arrives to introduce his science team in Wilmington yesterday. Photo: Kevin Lamarque/Reuters

President-elect Biden has ordered up a shock-and-awe campaign for his first days in office to signal, as dramatically as possible, the radical shift coming to America and global affairs, his advisers tell us. 

The plan, Part 1 ... Biden, as detailed in a "First Ten Days" memo from incoming chief of staff Ron Klain, plans to unleash executive orders, federal powers and speeches to shift to a stark, national plan for "100 million shots" in three months.

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