“Vested interests” cause major threat to human existence, researchers say

The change can only come from civil society, researchers urge.

England’s meager 5p plastic bag tax did wonders — and it’s about to increase to 10p

A small step that goes a very long way.

Increasing the price of US cigarettes by just one dollar per pack would lead to one million people kicking the habit

A small increase to bring about huge change.

London to introduce £10 ($12) vehicle tax for polluting cars

The announcement comes after a disastrous couple of months for London in terms of air quality.

Number of plastic bags found on UK shores almost halved after just 5p tax

A few cents can make a big difference.

Berkley’s penny-per-ounce soda tax paid off, a new study reports

This could have significant fiscal and health benefits.