Articles by Eric Niler, Seeker

Here, a composite image of Earth snapped by the NASA/NOAA Suomi National Polar-orbiting Partnership spacecraft on April 9, 2015.

Could a Limestone Sunshade Cool the Planet?

By Eric Niler published 13 December 16

Injecting calcite particles into the stratosphere could repair the ozone hole and slow climate change, but experts say carbon cuts and new tech are needed instead.