Peru

Universidad de Ingeniería y Tecnología - UTEC/Youtube

A Billboard That Purifies the Air Around It

Its creators claim it can do the work of 1,200 trees.

Reuters

How Drones Are Helping Peru Save Its Ancient Temples, Pyramids and Cities

They can map the country's historic sites faster than humans, while also monitoring the areas for intruders. 

Actually Worthwhile Advertising: a Water-Producing Billboard

The high-tech billboard transforms atmospheric moisture into drinking water for thirsty Peruvians.

Reuters

Giant 1,500-Year-Old Geoglyphs Threatened By Squatters

In Peru, the Nazca lines are at risk of disappearing as the housing crisis pushes people onto protected land.

Wikipedia

The Fascinating Story of How Those Tropical Insects Made It Into Your Starbucks Coffee

Starbucks has said it's stopping the use of bug-based red dye. Why? Making the stuff looks like so much fun!