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National Geographic 2021 4 April Fight for clean air
National Geographic 2021 (4) April
CONTENTS
On the Cover The air in Ulaanbaatar, the capital of Mongolia, is polluted in part by burning fossil fuels, as from this coal-fired power plant near the edge of the city. MATTHIEU PALEY
PROOF Mathematicians and Their Chalkboards With the rise of screens and whiteboards, are chalkboards obsolete? No, say the calculating souls who solve complex problems on them. PHOTOGRAPHS BY JESSICA WYNNE
EXPLORE
THE BIG IDEA The Legacy of Land To Black American families, soil has never been simple. It represents dreams, loss, injustice, self-reliance. BY NATALIE BASZILE
THROUGH THE LENS My Everest Photo I had a dim view of Everest ascentsuntil I made one. What I found surprised me. BY MARK SYNNOTT
ALSO Turtle Anatomy Parakeet Invasions Octopus Elasticity
CLOSER LOOK A Perfumed History In the "perfume capital of India," an ancient alchemy distills petals into fragrance. BY RACHNA SACHASINH
ADVENTURE Wild Alaska America's least visited national park boasts nearly 8.5 million acres of rugged beauty. BY JENNA SCHNUER PHOTO BY KILIII YOYAN
ALSO Tea and Diplomacy Video Call Fallout Beetle Meets Bottle
FEATURES
The Deadly Cost of Dirty Air Pollution causes millions of premature deaths. BY BETH GARDINER PHOTOGRAPHS BY MATTHIEU PALEY P. 40
Where There's Fire, There's Toxic Smoke The poisonous effects of wildfire smoke linger. BY CYNTHIA GORNEY PHOTOGRAPHS BY STUART PALLEY P. 68
Return of the Florida Panther Development imperils this cat's comeback. BY DOUGLAS MAIN PHOTOGRAPHS BY CARLTON WARD, JR. P. 78
The Bugs Up High A novel study looks at insect life far above the Amazon forest floor. BY HALEY COHEN GIL-LILAND; PHOTOGRAPHS BY CRAIG CUTLER AND BRIAN BROWN P.94
Aretha's Genius From her start in a Detroit church choir, Aretha Franklin (below) rose to global fame. Cynthia Erivo (above) plays the singing star in the Nat Geo series that debuts March 21. BY DENEEN L. BROWN P. 112
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