Page 27 - PEN eBook October 2022
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CARBON NEUTRAL                                                                             Carbon Neutral



            As CO  emissions have exponentially grown, so has Earth’s temperature. As these increases correlate
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            closely, it is now widely accepted that the temperature rise is a clear effect from the increase in CO
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            and other greenhouse gas emissions.
































 GaN ICs Drive   Figures 1 and 2: Over 35 billion tons of CO  were emitted globally in 2020, aligning with a relative temperature rise of
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            over 0.6˚F.
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 Sustainability and   Without  any  changes  to  improve  climate  policies  over  the  36.3-gigaton  baseline  (2021),  total  CO



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 Deliver CarbonNeutral   emissions would rise to over 46.5 Gtons/year by 2050,  impacting global temperature by up to an
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            additional 4.8˚C. Changes in temperature at these levels would lead to catastrophic damage across the
 Status     planet, affecting weather patterns and causing unprecedented heatwaves, severe drought, and major
            floods that would dramatically impact all living habitats, ecosystems, and vegetation.



 By Anthony Schiro, vice president of quality and sustainability, and   THE CHALLENGE
 Llew Vaughan-Edmunds, senior director of marketing, both at Navitas   Today’s energy sources primarily derive from fossil fuels and nuclear energy, with only 2% to 3% of
 Semiconductor  the  world’s energy coming  from  wind and solar. However, reserves-to-production ratios estimate
            approximately only 50 years remaining for oil and gas and 250 years for coal. 4


 THE THREAT  In 2020, energy demand was significantly dependent on fossil fuels, not least in transportation, where
 In 2021, over 80% of our energy sources were based on fossil-fuel power plants and over 80% of our   gasoline, diesel, and aeronautical fuel are required, and in buildings, where gas is predominantly used

 energy requirements were coal-, gas-, or oil-powered across consumer, commercial, and industrial   to heat water and air.
 markets — including  transportation, IT and communications, heating, cooling, and cooking.
 In the past 150 years, humans have increased emissions of carbon dioxide (CO ) into the atmosphere   With a finite supply of fossil fuels, and their damaging impact on our planet, we now see political
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 from nearly zero to 35 billion tons per year. This gas absorbs infrared energy radiated from Earth   pressure, initiatives, regulations, and policies to drive the transition to a greener, sustainable future.
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 and re-emits half of it back, contributing to the greenhouse effect.  The “net zero” philosophy is the first significant step toward this realization.




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