It's a gas! Air consists of nitrogen and oxygen and lots of empty space.
When a person is watching a movie, their brains and bodies are reacting.
Have you ever wonder why bananas seem to go bad so quickly?
What can ancient observations of Lake Suwa and the Torne River tell us about climate change?
The ocean is increasingly absorbing CO2 from the atmosphere, raising the water's acidity and endangering sea life.
Temperatures directly correlate to CO2 levels In Antarctica, but not in the tropics or Northern Hemisphere. Here's why:
Used coffee grounds can be recycled to make air filters that remove methane, a powerful greenhouse gas, from the atmosphere.
Since the beginning of human civilization, Earth has lost half its trees.
Bacteria release gasses that build up inside the body, causing it to float.
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?