<p>One medium connects all people: the air. How we look after it has far-reaching implications, since air pollution and climate warming pose an immediate and global threat to our environment, health and food security. Particularly carbon dioxide emissions are considered a major cause for the global rise in temperatures. However, Short-Lived Climate-forcing Pollutants (SLCPs) such as methane, ozone and soot also considerably contribute to climate change.</p>