Much of the western United States dealt with scorching temperatures over the past week, with some parts of California reaching more than 110 degrees Fahrenheit. That state is in a multiyear drought, and some residents are allowed to water their gardens and lawns only one day per week. Texas, Nevada and New Mexico are also experiencing severe droughts, according to the U.S. Department of Agriculture. So, farmers have to be especially careful about how they use precious resources like water. Marketplace’s Kimberly Adams speaks with Jill McCluskey, a professor of sustainability at Washington State University’s School of Economic Sciences, about how smart tech in agriculture can help.