<p>Adding crushed volcanic rock to farmland can pull carbon dioxide out of the air. In a field test, UC Davis scientists found that the process works even in dry climates. </p>
Growing crops with less groundwater dailydemocrat.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailydemocrat.com Daily Mail and Mail on Sunday newspapers.
Mallika Nocco is an Assistant Professor & Cooperative Extension Specialist in Soil-Plant-Water Relations at the Department of Land, Air, and Water Resources - UC Davis. She explains remote sensing tools.