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They are urging the international community for more resources to help manage climate change and calling for larger countries to cut their carbon emissions.

"It's necessary, it's a sacrifice," Electricity Minister Luis Motta Dominguez told the country on Thursday. The news broke as Venezuela's largest brewer said it will be suspending beer production.

A new report shows reduced hydroelectricity generation, due to the drought in California, has increased costs to electric ratepayers and increased greenhouse gas pollution.

The Pentagon wants university researchers to find ways to protect crops in the field using infectious viruses carried by insects. Critics think it looks like bioweapons research.

There's cause for pessimism and optimism in the year ahead as our expert sources share their predictions. Plus: Print and fold your own global trends zine.

California lawmakers are joining environmental, labor and business leaders on a trip to see how Australia managed its longest and most severe drought on record.

Much of the Santa Cruz River is a dry, desert wash, only flowing after heavy monsoon rains. As Tucson Water hydrologist Dick Thompson and I walk along the river south of Starr Pass Boulevard, he points out how brown the vegetation looks.

The health of the trees in one of San Diego’s largest park is getting some extra attention because the urban forest here isn’t as healthy as it used to be.

In an effort to maintain Balboa Park, volunteers on Tuesday planted 47 drought-tolerant trees.

California has lost an astounding number of trees to the ongoing drought. Among them, many of San Diego's beloved Torrey pines.