It’ll take a lot of money to help save water from the shrinking Colorado River. Now, Amazon is helping foot the bill. The ecommerce giant announced that it would send $20 million to water-saving projects in Arizona and California, kicking off a new longer-term effort to rally money for water conservation. The company formed a new coalition, dubbed the “Colorado River Basin Collaborative,” and aims to spend $100 million on water conservation across two years. … [Amazon Water Sustainability Lead Will] Hewes cited a new $2.4 million project that aims to improve irrigation efficiency on tribal farmland in northern Arizona. … [T]he project would install high-tech sensors that give farmers real-time data about when crops need water, ultimately reducing their draw on Lake Mead, the nation’s largest reservoir.

Related:

• Las Vegas Review-Journal: Amazon makes a $20M bet on the Colorado River
• KVVU (Las Vegas): Amazon invests $20 million in Colorado River conservation coalition
• NBC3 (Las Vegas): Colorado River conservation must expand beyond Las Vegas, expert says
• NBC12 (Phoenix): Amid concerns over big tech and water, Amazon announces Colorado River conservation alliance
• The Verge: Blog: Amazon wants to help the Colorado River, but we still don’t know how much water the company uses