Natural resources
Citizen scientists confirm that plastic pollution is blemishing previously pristine beaches in the Arctic Ocean.
Wastewater from oil drilling is triggering earthquakes, and no one can predict where they will strike or how hard they will shake.
Efforts could help reproduce frankincense before natural sources disappear.
Genetically modified super algae may be our ticket to the production of cost effective biofuels.
An estimated $1 trillion in ore deposits lie beneath Afghanistan's surface, if only they can get the minerals to market.