Confronting global climate change by reducing emissions of greenhouse gases. Intro theme and music by Kevin MacLeod (incompetech.com), Neurowaxx and oldDog (ccmixter.org); Creative Commons licensed audio from freesound.iua.upf.edu includes sounds by ERH, WIM, acclivity, Charel Sytze and Twisted Lemon.

How chemists are using desalination to provide a thirsty world with clean drinking water. Intro theme and music by Kevin MacLeod (incompetech.com); Creative Commons licensed audio from freesound.iua.upf.edu includes sounds by Slanesh, luffy, Megamart, pushtobreak, duckboy80, kjackson and fogma.

How chemists are providing a thirsty world with clean drinking water. Intro theme and music by Kevin MacLeod (incompetech.com), teru and Neurowaxx (ccmixter.org); Creative Commons licensed audio from freesound.iua.upf.edu includes sounds by Heigh-hoo, acclivity, cdrk365, Slanesh and mystiscool.