California farms face pressure to boost efficiency as water supply declines

The demand for water from the Colorado River is of paramount importance out West and the focus of some big battles. It's been especially critical for farming and agriculture. In California's Imperial Valley, there are growing questions over the use of that resource and whether bigger changes are needed. Science correspondent Miles O'Brien reports. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show.   Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6   Follow us: TikTok:   / pbsnews   X (formerly Twitter):   / newshour   Instagram:   / newshour   Facebook: http://www.pbs.org/newshour   Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe