Geography
In which country is the Blue Lagoon?
What is Iceland?
A solar power station in the Indian state of Tamil Nadu has 2.5 million what?
What is cortisol?
In which country is the Copacabana beach?
What is Brazil?
Dubai's Sustainable City relies mainly on which type of renewable energy?
What is solar power?
On average, a teenager spends between 7 and 11 hours a day doing what?
What is watching a screen?
The "green island" Pulau Ubin is part of which country?
What is Singapore?
What did China's Emperor Yang order the construction of in the year 605?
What is China's Grand Canal?
The scientist Charles Czeisler studies the effects of which chemical on the human body?
What is caffeine?
The Transoceanic Highway connects which two South American countries?
What are Peru and Brazil?
In Central America, around 14,000 ships per year pass through which waterway?
What is the Panama Canal?
In which decade of the 20th century was oil first discovered in Dubai?
What is the 1960s?
What is the capital of Iceland?
The Gotthard Base Tunnel runs through which Mountain Range?
The development of what type of renewable energy led to protests in England's lake district?
What is wind power?