Environmentally conscious travelers are in a quandary.
Global airline travel has grown over the decades, and so have the industry’s carbon emissions.
Not everyone has the time to use more eco-friendly travel methods, such as Swedish climate activist Greta Thunberg’s famous two-week voyage last year across the Atlantic Ocean on a zero-emissions sailboat.
But can the airline industry shrink its carbon footprint, which makes up 3% of all U.S. greenhouse gas emissions? The answer hinges on development of alternative fuels.
Last month, European aircraft maker Airbus announced it would evaluate three concept planes, each of which would be powered primarily by hydrogen. The goal is to figure out an aircraft design and manufacturing process so the hydrogen plane…