A park-and-ride system helps reduce urban traffic congestion: drivers leave their cars in car parks on the outskirts of a city and travel to the city centre on public transport.

Public awareness of climate change and other environmental concerns has increased in the last few decades.

A green company acts, or claims to act, in a way that minimizes damage to the environment.

Greenwashing is when you want to promote environmentally-friendly products when they’re not. In a way, it’s green marketing gone wrong.

Less is more
The Eielson Visitor center in Alaska only uses solar panels, hydropower and natural lighting. It was built with recycled and locally produced materials. Its heating, ventilation and plumbing systems are highly energy-efficient. Very little fossil fuel energy is required to operate the building.