The Tyne and Wear Metro was the UK's first light rapid transit system and serves the cities of Sunderland and Newcastle as well as Gateshead and districts of North and South Tyneside.
Consumers across the world, such as in the UK and the US, have been hit by rapid rises in the price of petrol as a direct result of the oil price rises in recent months.
They pointed out that rich nations like the UK and US had already experienced their own periods of rapid population growth during industrialisation - and blamed Western consumers for appropriating too many of the planet's resources.
Excessive alcohol consumption disrupts the 'REM' (Rapid Eye Movement) stage of deep sleep to ruin a night's rest, according to the UK Department of Health.