California has three new state parks: Here's where

Coinciding with Earth Day, Gov. Gavin Newsom on Wednesday announced the addition of three new state parks in the Central Valley — pushing the statewide total to 283 parks — which he said is the biggest expansion of the park system in decades.

Green Mountain State tops Hawaii, California for greenest state - See how your state ranks

Green is right there in the name, even if the meaning is different. Vermont, a state whose name is a blending of the French words for the color green and mountain, claimed the top spot in a recent analysis of the greenest states in terms of eco-friendliness.

Boundary Waters mining bill approved by Senate after Sen. Smith protest

After Senator Tina Smith staged a protest Wednesday night to block a vote on a bill that would allow mining in the Boundary Waters, the U.S. Senate is now scheduled to vote on that bill Thursday morning.

Minnesota BWCA: Vote postponed after Sen. Smith holds Senate floor in protest

U.S. Senator Tina Smith announced her intention to hold the Senate floor to protest legislation that would remove protections for the Minnesota Boundary Waters Canoe Area Wilderness.

Hippos connected to Pablo Escobar face culling in Colombia

Dozens of hippos who descended from the ones brought to Colombia by onetime drug kingpin Pablo Escobar will be killed as the South American nation looks to control its population.

IUCN Red List: Emperor penguins and Antarctic fur seals added to endangered list

One of the Antarctic’s most well-known and beloved animals is at the brink of extinction, and environmentalists are calling it a "stark warning" of the threat of climate change.

EPA chief tells climate skeptics to celebrate rule repeal as March heat breaks records

The Environmental Protection Agency’s top official told a crowd of climate science skeptics that they should celebrate the repeal of the 2009 finding that underpinned the agency’s attempts to combat climate change ever since. His comments came the same day a separate federal agency reported record-shattering warmth and precipitation numbers. 

Snowy owl, hammerhead sharks among 40 species gaining CMS protections

Cheetahs, snowy owls and hammerhead sharks are among the dozens of animal species on the cusp of extinction that will receive greater conservation protections. 

New technology helping to measure Arizona's snowpack

For the first time, researchers are taking to the skies to quantify Arizona's snowpack, and results from these new operations are giving us an important look at the state's water future.

New tech measures Arizona winter snowmelt
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For the first time, researchers are taking to the skies to quantify Arizona's changing snowpack, and results from these new operations are in. FOX 10's Megan Spector reports.

San Diego considers selling water to Arizona amid ongoing Colorado River water negotiations
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Arizona is in talks with San Diego, a city willing to share its water, but at a huge price. FOX 10's Steve Nielsen learns more as leaders continue to battle it out over access to the Colorado River.

Arizona considers buying California water as Colorado River tensions remain high

Arizona is in talks with San Diego to potentially trade funding for California desalination projects in exchange for a larger share of Colorado River water.

Spiders the size of a human hand are spreading throughout the US

The frightening, brightly-colored large spiders are back, and experts say they are spreading rapidly across the U.S.

Viral video shows trucks driving through foot of water on thawing Minnesota lake

A viral video shows fishermen driving through approximately 12 inches of standing water atop the frozen surface of Lake of the Woods following recent warm weather.

Colorado River: Hot temps leave experts concerned
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As Arizona bakes under a Spring heatwave, some are worried the record-breaking heat could impact the future of the Colorado River, which is the West's most vital water source. FOX 10's Taylor Wirtz has more.

Colorado River crisis: How record spring heat impacts Western water sharing

As a spring heatwave hits the West, experts warn of shrinking Colorado River supplies. The Bureau of Reclamation is reviewing a federal plan to manage looming water shortages.