Leftover coffee grounds can store methane

[Still Waters]

Whether flat white, skinny latte or straight black Americano, a cup of coffee is the morning drink of choice for millions needing a power-up at the start of the day.

Researchers have now found that the huge amounts of leftover coffee grounds, which usually go into compost tips or waste bins, could be used to power homes and combat global warming, thanks to their ability to store methane.

http://www.independe...g-10483517.html