By — Rebecca Jacobson, Inside Energy Rebecca Jacobson, Inside Energy Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/basic-research-uncovers-invisible-pasture-sea-brought-earth-life Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Watch Watch the Full Episode PBS NewsHour from Mar 05, 2014 By — Rebecca Jacobson, Inside Energy Rebecca Jacobson, Inside Energy @rebeccajacobson