Take the quiz

How much can European countries save with energy efficiency?

37 million tonnes

460 million tonnes CO2/as much as Italy’s total CO2 emissions.

100 million tonnes

How much energy is required to recycle an aluminium can in relation to manufacturing one from new aluminium?

12 percent of the energy

Just 5 percent of the energy

35 percent of the energy

For how long has the most famous coal-mine fire been burning?

The coal-mine fire in Centralia in the USA has been burning for 23 years

The coal-mine fire in Centralia in the USA has been burning for 97 years

The coal-mine fire in Centralia in the USA has been burning for 48 years

What core technologies are used in the Sahara Forest Project.

Salt-water greenhouse and solar energy

Water power and wind power

Solar energy and salt energy

Which greenhouse gas is the most potent: CO2, Methane or Laughing gas?

Laughing gas

CO2

Methane

With which environmental issue is the Beatles singer Paul McCartney associated?

Shopping-free Monday

Car-free Monday

Meat-free Monday (eat less meat)

What was the unpopular measure carried out by Margaret Thatcher in the 1980s that produced a positive environmental effect?

She removed the subsidies from unprofitable coal mines

She stopped the import of foreign cars

She abolished taxes on environmentally-friendly businesses

By what proportion can potential power production be increased by upgrading existing hydro-electric power plants in Norway?

50 percent

10 percent

25 percent

What proportion of CO2 emissions can be saved by Eco-driving?

Between 10 and 20 percent

between 1-7 percent

35-40 percent

How much less electricity is used by an A++-marked fridge than a B-marked one?

50 percent less electricity

30 percent less electricity

10 percent less electricity