Google Change reduces airline emissions calculations

The way Google calculates the climate impact of your flights has changed.

Your flights now appear to have a much smaller impact on the environment than before.

That’s because the world’s largest search engine removed a key driver of global warming from its online carbon flight calculator.

“Google has removed a large part of the aviation industry’s climate impact from its pages,” says Dr. Doug Parr, Greenpeace’s chief scientist.

With Google hosting nine out of ten online searches, this could have far-reaching implications for people’s travel decisions.

The company said it made the change after consulting with its “industry partners”.

The CO2 calculator embedded in the company’s “Google Flights” search tool is affected.

If you’ve ever tried to find a flight on Google, you’ve come across Google Flights.

It appears at the top of search results and allows you to search the web for flights and fares.

It also offers the possibility to calculate the emissions caused by your journey.

According to Google, this feature should “help make more sustainable travel decisions”.

But in July, Google decided to rule out all global warming impacts of flying except CO2.

Some experts say Google’s calculations now represent a little more than half of the true climate impact of flights.

“She is now grossly underestimating the global impact of aviation on climate,” says Professor David Lee of Manchester Metropolitan University, author of the most comprehensive scientific review of aviation’s contribution to global warming.

In addition to the CO2 that is produced by burning aviation fuel, flying impacts the climate in many ways.

These include the formation of long, thin clouds high up in the atmosphere — known as contrails — that trap heat radiated from Earth, resulting in a net warming effect on our planet.

Contrails in the sky and airplane visible

Contrails are created by some airplanes when hydrogen in their fuel reacts with oxygen in the air

These additional warming effects mean that while aviation is only responsible for about 2% of global CO2 emissions, the sector is actually responsible for about 3.5% of the warming caused by human activities.

And it’s a sector that’s only going to get bigger.

Emissions have increased by 50% since 2000 and the industry is expected to grow by more than 4% each year for the next two decades, according to the International Energy Agency (IEA).

Google told the BBC it “strongly believes” that the non-carbon impact of aviation should be factored into its calculations.

It recognizes that they represent a significant additional impact of flying on a global scale.

But it argues the company’s priority is the “accuracy of the individual flight estimates” it makes available to its consumers.

It is working with scientists to better understand how contrails and other effects of warming affect specific flights.

The British government takes a different approach.

It recommends companies consider the additional impact of flying by multiplying the CO2 emissions caused by a flight by a factor of 1.9 – effectively doubling their impact.

In its guidance for business, the UK Department for Business, Energy and Industry Strategy warns that the value of this multiple is “subject to significant uncertainties” but says “there is currently no better way to take these effects into account”.

Transport and Environment, a group working to reduce the environmental impact of travel, agrees.

“Current scientific evidence is sufficient to say that non-CO2 effects account for two-thirds of the total climate impact of aviation,” it says.

“The industry has ignored this issue for decades… Google should show customers the non-carbon impact for each flight, as the European Parliament has proposed.”

Google’s changes are likely to have far-reaching implications.

The company’s CO2 calculation methodology is widely recognized as the industry standard in aviation.

It is used by Skyscanner, one of the largest online travel agencies in the world with more than 100 million visitors per month.

A number of other major online travel companies, including Booking.com, Expedia, Tripadvisor and Visa, have said they will use it as well.

Kate Brandt, Google’s chief sustainability officer, said the company aims to “build tools that enable travelers and businesses around the world to prioritize sustainability.”

Industry experts say the decision to change methodology will have the opposite effect.

“I worry that the impact of the equivalent of hundreds of millions of tonnes of CO2 is being ignored because it has become invisible to customers,” says Kit Brennan, founder of Thrust Carbon, a UK company that specializes in helping companies do this help reduce the impact their travel has on the climate.

He worries that consumers may believe that the non-carbon impact on the climate is not relevant in the longer term, despite the fact that science contradicts this view.

That would mean that up to 1.5% of the warming caused by human activities would be ignored and the pressure on airlines to reduce their emissions would decrease accordingly.

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