EnvironmentPlastic pollution treaty would be 'failure' without tackling emissions Plastic production is responsible for more greenhouse gas emissions than flying – at a summit in Canada, countries were divided on how to deal with this under-recognised part of the plastic problem Analysis
EnvironmentSlight 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 News