Cigarette butts could be reborn as green energy storage
But that doesn't mean smoking is good for the planet.
Scientists can't explain a 'worrying' rise in methane levels
New figures show atmospheric pollution levels are surging.
Belgian scientists turn polluted air into hydrogen fuel
The tiny device uses two 'rooms,' separated by a membrane, to purify air and generate power simultaneously.
Dear Donald Trump: 'Clean coal' doesn't exist
The myth lives on.
Trump rolls back Obama-era climate change policies
The government will be less concerned with global warming going forward.
Chaos leads to stronger carbon fiber
You just have to bake the carbon in the right conditions.
Researchers make concrete production carbon neutral
And we get an abundant source of carbon nanotubes in the process.
Your next heart monitor could be graphene-coated Silly Putty
But you'll still have to put it back in its egg when you're done.