Our daily geography quiz.

The World's Mary Kay Magistad introduces us to Chinese singer Long Kuan, who says that going vegetarian will help the fight against global warming.

The answer to our Geo Quiz today is the Gulf of St. Lawrence, off the coast of Quebec, Canada. The World's Jeb Sharp visited the pack ice off the Magdalen Islands in the Gulf of St Lawrence -- to check on how the harp seal population is doing there.

Watch the audio slideshow

'Encounters' homepage

Jeb Sharp's harp seal documentary for 'Encounters'

Jocelyn Ford reports on the efforts of a former rebel turned governor to stop deforestation in the Indonesian province of Aceh.

Spain's been leading the way when it comes to manufacturing renewable energy sources. Wind turbines installed by one town in Spain have produced riches for residents -- and corruption too. The World's Gerry Hadden reports.

In the past decade Spain has become one of the top countries in the world in the production of renewable power. Correspondent Cynthia Graber reports from Madrid.

The World Bank has warned that a scarcity of clean water poses a serious threat to Pakistan's stability. In the second of her two part series, The World's Laura Lynch reports from the Indus River Delta in southern Pakistan.

Political instability and escalating violence make Pakistan a US foreign policy priority. But there's another looming crisis in the country. Pakistan is fast running out of water and much of what IS available is making people sick. The World's Laura Lynch has the story.

A Canadian company has a plan to dig for gold in Romania. It wants to re-open a giant mine there. But as the World's Aaron Schachter reports, the company's plan to use cyanide in the mining process has upset some of the mine's neighbors.

Audio Slideshow: Mining for gold in Romania

The BBC's Keith Adams reports on a solar powered oven that's made out of cardboard and tinfoil. It could help combat climate change by offering an alternative for people who rely on firewood to cook their food.