urban forest, an area of trees found within a city, air quality, a measure of how much pollution there is in what we breathe, carbon neutral, planting trees, etc., to reduce CO2 by the same amount as you produce, renewable energy, electricity produced using the sun, wind, etc.,  rather than using oil, gas or coal, sustainable, causing little damage to the environment and so able to continue for a long time, air conditioning, the system used for keeping the air in a building or vehicle cool, cycle route, a path or road that is used by bikes rather than for motor vehicles, pedestrianised zone, an area in which no vehicles are allowed to enter and people must travel on foot, low-emission zone, an area in which vehicles that produce lots of harmful emissions must pay to enter, public transport system, a network of routes for vehicles such as buses and trains.

Leaderboard

Visual style

Options

Switch template

)
Continue editing: ?