United Airlines has agreed to purchase 15 jets that fly faster than the speed of sound from Boom Supersonic, with options to purchase 35 more. The purchase means United is on track to reintroduce the first commercial supersonic flights since the retirement of the Aérospatiale/BAC Concorde in...

After four years of backsliding under former President Donald Trump, the U.S. is back to increasing its climate ambitions. But there’s a fight brewing over what exactly constitutes zero-carbon energy, showing that challenges decarbonization faces. Read...

Unhealthy air pollution generally brings to mind coal-fired plants spewing black soot from a smokestack. But that image may quickly be becoming outdated. A study published on Wednesday in Environmental Research Letters found that using natural gas and biomass in sources like buildings and...

This week’s question—could the world ever run entirely on renewable energy?—is shadowed by a much larger one: Namely, will politicians and powerful forces of delay like Big Oil ever allow the world to run entirely on renewable energy? For the most part, we have put that larger question aside...

On Thursday morning, the Biden administration unveiled a pledge to slice the nation’s greenhouse gas emissions in half compared to 2005 levels by the end of the decade. It will accomplish this, it says, by investing in infrastructure, funding a green economic recovery from the covid-19 pandemic,...

If you’re looking to start an investment portfolio, you may want to steer clear of fossil fuels. A report released Tuesday from Carbon Tracker, a financial think tank, shows the losses for oil stocks have been piling up.Read...

As coal goes down the drain, so, too, are inefficient programs to prop it up. Earlier this week, the investigative arm of Congress, the Government Accountability Office, said it would look into the “clean coal” tax credit, which generates $1 billion in income for producers around the country...

Right now, Texas is in the balmy mid-50s. Yet just a week ago, it was colder than Alaska, and we all know what happened next. Much of the state’s energy capacity got knocked offline, leaving millions of people without power, heat, and water for days.Read...

One of the most iconic buildings in the world is running on clean electricity. On Wednesday, the company that owns the Empire State Building announced it had inked a deal to meet the electricity needs of not just that building but its entire portfolio with wind power.Read...

Early last year, the Trump administration’s Department of Energy celebrated a special birthday. “Happy Third Operating Anniversary, Petra Nova!” the agency trumpeted in a press release. The release boasted of a coal-fired power plant in Texas that seemed to have done the impossible: It...