Every breath we take in contains 21% oxygen, the gas that makes life on Earth possible. Oxygen, in its combined oxide state, ...

From tear gas used on civilian protestors to herbicides ... In the Air makes clear that most of us have little control over the air we breathe; air ignores national borders, and wind currents ...

In an era dominated by concerns over climate change and rising sea levels, a more fundamental, often overlooked threat is ...

We also need to restore the atmosphere, removing greenhouse gases. He used to believe that talk of “hacking the atmosphere” — by sucking greenhouse gases out of the air — distracted us ...

Take a deep breath. Do you ever think about the air entering your lungs ... a central role in the evolution of atmospheric oxygen. However, we think this would not have immediately led to ...