As the world gets hotter and more crowded, our engines continue to pump out dirty emissions, and half the world has no access to clean fuels or technologies (eg stoves, lamps), the very air we breathe is growing dangerously polluted:
For many people, work means hours and hours of sitting, with rare pauses for a walk around the block or even down the hall. While it’s easy to dismiss this as a routine part of adult life, it is becoming