1) For every tonne of household waste how much do commercial, industrial and construction businesses produce?
Answer: b. Another 6 tonnes
2) What are the most environmentally unfriendly construction materials?
Answer: b. PVC based products
3) How many lego bricks were needed for James May’s full lego house?
Answer: c. 3.2 million
4) Which animals have been discovered to predict earthquakes?
Answer: b. Toads
5) How much ice is falling into the sea every year?
Answer: c. 250 billion
6) What building material did the Romans invent?
Answer: c. Concrete
7) WWF estimated that how many people switched their lights off as part of their campaign during Earth Hour?
Answer: c. 1 Billion
8) Match the following famous architectural landmarks with the correct names
iii. Petronus Towers
ii. Arc de Triomphe
iiii. Constantine's Arch
i. Kuwait Towers
9) What radical idea have the Chinese planned for their landfill sites?
Answer: a. Spraying landfill sites with deodorant
10) What legendary computer game character was spotted on Saturn’s moon Minas?
Answer: c. Pac-Man
Saturn's moon Minas and a map of temperature variations which look like Pacman!