Every week, 37 million people in 20 countries read Metro

Imagine if all of those readers — if all of us — banded together to change the world? What a difference 37 million makes ...

Running through the drops
When 37 million people take a five-minute shower, it only uses 3.5 trillion litres of water, compared to a 10-minute shower, which uses seven trillion litres of water.

It’s exhaust-ing
When 37 million people use average sedan cars, it emits 2.59 trillion tonnes of CO2 during the lifetime of their cars, as compared with 3.7 trillion tonnes of CO2 if they used SUVs.

Drive me wild
When 37 million drivers leave their cars at home and commute together with their spouses/partners/neighbours, they cause the emission of 107 million tonnes of CO2 annually, compared with 214 million tonnes of CO2 should they decide to use their own cars.

Dot-bomb
When 37 million people do not switch off their computers after work, they use 37 million megawatt hours of electricity annually, compared to around 9.2 million megawatt hours if computers and monitors are switched off after work.

Guess who’s coming to dinner?
When 37 million people use modern dishwashers with the best rating once a day, they would use 666 million litres of water, compared with 1.5 trillion litres of water used by less efficient dishwashers.
 
Flushed away
When 37 million people refurbish their bathrooms with low-flush toilets (six litres per flush), each flush uses 222 million litres of water, compared to old toilets (12 litres per flush), that would take 444 million litres of water to flush collectively.

Watt’s up, doc?
When 37 million people change just one 100-watt incandescent bulb for a 20-watt compact fluorescent light bulb, giving the same amount of light, during one hour they would be using 740 megawatt hours of energy to receive the same lighting, compared with 3,700 megawatt hours with the regular bulb.

TV stars
When 37 million people unplug their TV sets (1 watt standby) while going to sleep, they would save 296,000 kwh per day.

Pass it on!
When 37 million people share their newspaper (approximately 0.3 kg of paper), they save 85,248 trees