Every year, two billion pairs of jeans are manufactured worldwide.

• True
• False

Choose the odd one out.

• avalanche
• drought
• wind farm
• earthquake

Our eco-friendly bikes (…) made of bamboo. Choose all possible answers.

• will be
• are
• has been
• were

There are 18,000 pieces of plastic litter per square kilometre in our oceans.

• True
• False

How many Olympic pools could be filled with clothes thrown away in one hour in America?

• one
• two
• three
• four

Green activists stopped the government from cutting (…) the local forest. Type in the correct preposition.

More and more people are turning to (…) power.

• sun
• solar
• fossil
• warming

Who is Paul Villinski?

• a Swedish activist
• an American artist
• an English writer
• a German politician

If a volcano erupts underwater, it causes (…).

• tsunamis
• blizzards
• avalanches
• hurricanes

The majority of Instagram users are aged thirteen to thirty.

• True
• False