A river dike on the Rio Nil near El Asintal, Guatemala.
(Consejo de Comunidades en Defensa del Ambiente del Municipio de El Asintal)
Increased use of renewable energies could help curb climate change, but the water required for their production has dispossessed rural Guatemalans.
Prison jobs are always low paid, often difficult, and produce many of the foodstuffs and services many Americans use every day.
Enslaved workers used to grow cotton and mill flour. Now prisoners grind beef and crate eggs. Here, a historian explores Americans' troubling habit of consuming the products of slave labor.
Despite the prevalence of Fairtrade sugar in UK society, the sugarcane industry remains deeply troubled.
Why you might soon be paying more for your favourite sugary drink.
A medium-size passenger jet burns roughly 750 gallons of fuel per hour.
Scientists have engineered sugarcane to increase its oil content and are developing renewable jet aircraft fuel from the oil. The engineered sugarcane could become a valuable energy crop.
Workers process tuna at the Thon des Mascareignes factory in Port Louis, Mauritius.
Slavery, indenture and industrialisation have all contributed to Mauritius' multiculturalism - and to its deep social tensions.
Nitrogen pollution is one of the factors driving outbreaks of crown-of-thorns - giant starfish that devour the reef.
Kenneth Taylor Jr/Flickr
The latest Great Barrier Reef report shows some improvements to water quality over the past five years, but there's still a lot to do on one particular problem: nitrogen.
Research has discovered a bacterium that can be used to reduce the amount of fertiliser used in the production of sugarcane…
Two of millions of cane toads found across northern Australia.
Mark Lewis, Radio Pictures, Mullumbimby
When cane toads were released in Australia in 1935, they were the latest innovation in pest control, backed by a level of consensus support that a scientist could only dream of. So what went wrong? Research…