While there is some mercury naturally floating in the ocean from geologic processes, most oceanic mercury is human-caused which concentrates up the food chain, resulting in high levels in top...

Of all the places you can find fossil fuels, we bet you didn't realize you cheeseburger could be one.

Do you own a wool sweater? Or perhaps a wool suit? After you read about the lives of sheep, you'll never want to wear wool ever again.