Ella Nilsen

The byproduct of nuclear energy is still associated with atomic bombs or nuclear meltdowns, but what comes out of reactors is far from the radioactive sludge seen in movies or conjured in our imaginations.

BUCHANAN, New York (CNN) — The Indian Point nuclear power plant was an energy juggernaut for 50 years, generating a quarter of the electricity that powered New York City's iconic, glowing skyline.

High above the earth, a cutting-edge satellite is passing around Earth 15 times per day. It is hunting for leaks of methane – an invisible, super-polluting gas that is dramatically warming the planet.

CNN — High above Earth, a cutting-edge satellite is zooming around the planet 15 times a day.

Vivek Ramaswamy, the incoming co-chair of President-elect Donald Trump’s commission to cut government spending, has set his sights on money the Biden administration is dispersing in its final days in office, including a key loan to a rival company of his commission co-chair, Elon Musk.

(CNN) — The Supreme Court agreed Friday to decide whether religious affiliated entities like Catholic Charities should be exempt from state unemployment taxes, taking up its first major religion case in more than a year.

(CNN) — The Supreme Court declined Monday to take up an appeal from conservative states challenging California's ability to establish strict vehicle emission rules that effectively set the standard for the rest of the nation.

In one of its last major actions on climate, the Biden administration Wednesday finalized a key waiver allowing California to set its own vehicle pollution controls – effectively allowing the nation’s most populous state to implement its 2035 ban on selling new gasoline cars.

The Biden administration finalizes a waiver for California's vehicle emissions standards and releases a report on LNG export impacts.

President-elect Donald Trump campaigned on a three-word energy policy: “Drill, baby, drill.” But with about a month to go until inauguration, early glimpses at his cabinet picks for energy and the environment suggest it’s not going to be that easy.