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A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. A TWP >1 means that the cumulative radiative forcing from choosing natural gas today is higher than a current fuel option after t yr.
To achieve goals for climate and economic growth, “negative emissions technologies” (NETs) that remove and sequester carbon dioxide from the air will need to play a significant role in mitigating climatechange, according to a new report from the National Academies of Sciences, Engineering, and Medicine.
Maybe you missed their headline yesterday that read: Scientists: Pace of ClimateChange Exceeds Estimates. With the body of evidence and facts availabletoday, only the ignorant or the malevolent would attempt to mislead their readers so blatantly. They haven’t for a long time now. They have a different agenda.
These include, from today, no investment in new fossil fuel supply projects, and no further final investment decisions for new unabated coal plants. Most of the global reductions in CO 2 emissions between now and 2030 in the net zero pathway come from technologies readily availabletoday.
In the climate-targeted scenarios, they assumed that electrified vehicles receive their electricity from an 80% decarbonized electricity grid. They considered state-specific contributions from nine generating technologies: coal, oil, natural gas, hydro, biogas, geothermal, nuclear, wind, and solar. Still, it is technically achievable.
The combination of harvesting whole forests and burning long-sequestered carbon sources such as coal or oil has impaired the Earth’s carbon cycle at an increasing pace. We also mined or extracted and burned coal and oil, releasing millions of years of stored solar energy indiscriminately, altering Earth’s climate.
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