By Ben Christopher Howard for The Conversation
The coronavirus pandemic has grounded thousands of aircraft, contributing to the largest-ever annual fall in carbon dioxide emissions. At some point though, the planes will soar again and with them, global emissions.
Most airlines in the UK have committed to achieving net zero carbon emissions by 2050. From 2026, it will become mandatory for airlines worldwide to ensure that their annual emissions stay flat. But the UK aviation industry also plans to increase the number of passengers it serves by 70% in the next three decades.