There are risks and benefits to the idea of geoengineering the stratosphere to stave off the impact of global warming.
Carbon is key to life on earth. But was carbon there from the beginning, when the planet formed?
What is the difference between gasoline, diesel, and jet fuel?
Wheat survives winter's freezing temperatures, and is ready to be harvested come springtime.
Used coffee grounds can be recycled to make air filters that remove methane, a powerful greenhouse gas, from the atmosphere.
Scientists have a developed a solar-energy-based technology to remove carbon dioxide from the atmosphere. But is it a feasible solution to global warming?
Cigarette butts, a huge source of littering, can be repurposed into carbon supercapacitors used in electronic devices.
Global warming has created a feedback loop, wherein Arctic sunlight converts thawing ice into more CO2.
An ultra-thin carbon material, graphene's potential uses are many and varied.
Over the years, scientists have found many meteorites they believe came to Earth from Mars. These bits of debris have many interesting things to say.