Para compensar el cambio climático, los científicos promocionan los árboles urbanos y la pintura ultrablanca, destacando los árboles del noreste

ROBERT LEE HOTZ |

With record global temperatures stoking droughts and deadly heat waves, some scientists are eyeing audacious schemes to counteract global warming—from erecting enormous air filters to suck carbon dioxide from the air to launching millions of sunlight-defecting space mirrors into orbit around the planet.

Other scientists see the value of simpler tools: shovels and paintbrushes.