The move, which is intended to help achieve Europe's climate objectives, has also been defined as a "necessity" in the face of competition from China and the United States.
While the aviation industry attempts to clear our skies with zero-emission flights, there are some challenges electric planes need to overcome to transition to a carbon-free future.
Green groups were less than thrilled with the declaration, arguing it allows "for delay tactics and fossil fuel loopholes".
European Commission unveils a broad climate package that aims to meet a more ambitious greenhouse gas emission cut goal to make Europe the "first climate-neutral continent".
International Energy Agency estimates CO2 emissions will increase by almost five percent this year, or 1.5 billion, to 33 billion tonnes, largely driven by a resurgence in Asian coal use.
In 2018 alone, global aviation produced 1.04 billion metric tonnes of carbon dioxide, or 2.5 per cent of all CO2 emissions in that year.
A meeting of 195-nation Intergovernmental Panel on Climate Change in South Korea is vetting a major report that traces pathways for cutting global warming to 1.5 degrees Celsius. The bombshell 20-page report is due to be released on October 8.
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