WASHINGTON, July 10 — A brewing “Super” El Niño cycle is poised to unleash heat waves, floods and drought worldwide, with the effects amplified by long term human-caused...

As worries about a growing super El Niño mount, new findings suggest a radical solution to mitigating its impacts.

A controversial geoengineering proposal suggests that brightening clouds off South America could weaken a burgeoning El Niño, but major technical and ethical questions remain