"It's certainly not normal, but these numbers are not at all impossible."

Australian wildfires could release a billion tons of carbon

Up in Smoke

The wildfires raging in Australia could release a billion tons of carbon into the atmosphere by the end of the fire season, says Stanford scientist.

Australian Wildfires Could Release a Billion Tons of Carbon

That's more than twice what Australians produce annually from fossil fuels.

It moves as fast as a plane, but produces fewer emissions.

This rail gun-style elevated train goes 500 MPH

Fast Lane

Strategic design consultancy Manyone proposes building an elevated train called the AeroSlider as a way to cut the emissions caused by air travel.

This Rail Gun-Style Elevated Train Goes 500 MPH

Oh, and it hovers 65 feet over the ground.

UN scientists: We could pause global warming with $300 billion

Dirt Poor

We could pause global warming for 15 to 20 years if we're willing to spend $300 billion to restore billions of acres of land, say UN scientists.

UN Scientists: We Could Pause Global Warming With $300 Billion

The money could halt carbon emission increases for up to two decades.

"What probably many of us did not comprehend is the scale of it until we saw these comparisons."

Training advanced AIs is surprisingly terrible for the environment

Dirty Computer

Researchers at found that training large artificial intelligence models clobbers the environment with a suprisingly large carbon footprint.

Training Advanced AIs is Surprisingly Terrible for the Environment

Training a single large neural network has the equivalent carbon footprint of a human living for almost 57 years.

The rebate could be around $2,000 per family per year.

Top Economists: U.S. should tax carbon and give citizens the money

Win-Win

A group of 45 economic experts believes the U.S. should create a carbon tax and give the revenue to Americans via a yearly rebate.

Top Economists: U.S. Should Tax Carbon and Give Citizens the Money

"Among economists, this is not controversial."

So far, only about 150 out of 12,000 buses are electric.

All new public buses in California have to be electric by 2029

Electric Fleet

California became the first state to mandate that all new mass transit buses have to be electric by 2029. All buses will have to electric in 2040.

All New Public Buses in California Have to Be Electric by 2029

And it's a big step in the right direction.

The sustainable fuel was just 5 percent of what powered this flight, but it could be up to 50 percent on future flights.

A plane powered by recycled waste just flew across the Atlantic

Wheels Down

A Virgin Atlantic flight powered in part by sustainable jet fuel completed a trek from Orlando to London on Thursday morning.

A Plane Powered by Recycled Waste Just Flew Across the Atlantic