Airplanes constantly emit the trails every time they fly, blasting pollutants into the atmosphere. The industry behind them doesn’t know how to fix it.
Navdeep Bains and Elder C. Marques: The challenges ahead are big and urgent and they’ll require courage and leadership from both business and government
Opinion: Instead of dwelling on the drama and dread consider this: Canada has a plan and we’re starting to bend the greenhouse gas emissions curve downwards