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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 is reckoned to be the larger source of emissions: the transport sector or the felling of rainforests?

Equally as large

The transport sector

The felling of rainforests

Where can salt power plants be built?

Anywhere where fresh water runs out into the sea

where there’s waterfalls

Where the salinity of the sea is over 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

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

Shopping-free Monday

Car-free Monday

Meat-free Monday (eat less meat)

What is the name of the person who was awarded the Nobel Peace Prize for a tree-planting project?

Wangari Maathai

Richard Branson

Desmond Tutu

Which major international politician wants to introduce a ban on subsidising coal, oil and gas?

British Prime Minister Gordon Brown

The U.S. President Barack Obama

German Chancellor Angela Merkel

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

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

Laughing gas

CO2

Methane

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