For more than 100 years, the cool breezes of air conditioning have taken hold around the world. It took us about as long to even consider the side effects.
Businesses and cities are ditching the plastic straw, the ultimate commodity object. But the shift is controversial, and alternatives don’t come cheap.
We’re getting better at converting saltwater to drinkable freshwater, but the environmental costs of the desalination process aren’t cheap.
Americans expect a glass of water by default with their sit-down restaurant meal. Why is it such a big deal, and how much water are we wasting, anyway?