Expensive chemicals are needed to keep the weeds down. But it is cheaper than the alternatives; it takes $6 of chemicals to keep weeds out of a hectare of cacao; we are told that it would take $45 in labour to pick them out by hand.
So it isn't easy to convince a farmer to go straight from conventional farming to organic; there is a gradual transition, substituting green chemicals for red.
Credit: Lloyd Alter
Get up close and personal with the natural world with these amazing photos.
Use this list to clean without spreading toxic chemicals around your home.
Don't miss the beer-can shingles on this DIY beauty that was built in a day
Sustainable options abound if you want to add some spice to your knickers.
The Silo House is made from empty oil silos and is super-green to boot.
African penguins struggle in the wild but a budding love is offering hope.
Social Hub