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Officials in Rio de Janeiro say they will use the 2016 Olympics to transform the city. But massive sports events like the Olympics carry a huge price tag, and often leave only white elephants behind.

Last week, the California Department of Water Resources (DWR) hosted a Drought Summit where state, federal and local officials met to discuss ways to deal with the state's water supply shortage that h

That's the good news. The bad news is that there are still 795 million people who don't get enough to eat — and enough nutrients in their food.

Water mains in San Diego broke 306 times from January 2012 through September 2015, wasting an estimated 35 million gallons of water. Nearly three of every five breaks occurred in asbestos cement pipes whose replacement the city has only recently begun to address.

Cal Fire officials are worried about additional wildfires and will add more personnel.

Across Iraq, farmers are struggling with the worst drought the country has faced in years. Some say it's the worst they've seen in their lifetime — and not just because of the lack of rain. Some Iraqi officials blame waste and regional politics, as well as the fighting in Iraqi bread baskets.

Bull trout are dwindling in Montana as their home-waters warm, and invasive fish devour them. Scooping up threatened fish and moving them higher up the mountain could backfire. Is the risk worth it?

The San Diego County Water Authority, which is launching free classes to help people make water-wise yard makeovers, joins garden expert Nan Sterman to offer tips.

Interim Mayor Todd Gloria and City Councilmember David Alvarez plan to discuss water conservation efforts and a proposal for a residential sustainable energy and water program at a news briefing on Wednesday.

The government forecasts food prices will go up as much as 3.5 percent this year; meat prices will rise as much as 4.5 percent. If the drought continues, prices may go up even more. "Until we get that first heavy rain, we're not going to know for sure" just where prices will end up, a USDA economist says.