http://www.newsweek.com/firing-moondust-space-create-sun-shield-could-combat-climate-change-1779826

Firing dust from the moon into space to create a sun shield could be a "feasible" way to mitigate global warming on Earth, a team of scientists has found.

In a study published in the journal PLOS Climate on Wednesday, researchers explored seemingly outlandish astro-engineering approaches to combat climate change and examined how they could work in practice.