Running On Rice Husks—How One Entrepreneur Brought Electricity to His Village
In the rural Indian province of Bihar, Husk Power Systems is converting leftover rice husks into biofuel. Now they're building mini-power plants around the country, and expanding into Tanzania.
Plastic in Your Beer, Toxins in Your Air, and Heavy Metals on Your Doorsteps
From household plastic to industrial waste, anthropogenic activity has created compounds that poison ecosystems from water to air.
What Really Happened to Easter Island?
Did Easter Island's inhabitants degrade their ecosystem to the point that the island could no longer support them? Or is there more to the story?