Slight flight altitude changes could slash aviation’s climate impact

Contrail clouds that form behind planes are responsible for much of the climate warming effects of flying. Small altitude adjustments would help minimise them

​Contrail clouds that form behind planes are responsible for much of the climate warming effects of flying. Small altitude adjustments would help minimise them Contrail clouds that form behind planes are responsible for much of the climate warming effects of flying. Small altitude adjustments would help minimise them