Saffron is the priciest spice on the planet
Nicknamed "red gold", this spice is among the 10 most expensive foods in the world.
And even more
The story of Nauru, the "country that ate itself"
The jackfruit can replace meat
Scientists designed a sustainable diet for 2050
Sustainable recipe: Egg marinated in beer with sprouted sunflower seeds
Single-use masks and gloves are generating new plastic pollution
This is what happens to used contact lenses