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DLR: cleaner aircraft emissions reduce the climate impact of contrail cirrus

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Fewer soot particles in the exhaust stream of aircraft reduces the formation of ice crystals and therefore the climate impact of the resulting contrail cirrus. The results are published in an open-access paper in the Nature Partner Journal (npj) Climate and Atmospheric Science. Burkhardt et al. —Ulrike Burkhardt.

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Global Carbon Budget 2022: Global fossil CO2 emissions expected to grow 1.0% in 2022

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The Global Carbon Project (GCP) published its annual analysis of trends in the global carbon cycle in the journal Earth System Science Data , including an updated full-year projection for 2022. Global fossil CO 2 emissions are expected to grow 1.0% (with an uncertainty range of 0.1% The decline in 2020 of -5.2% increase in 2021.

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MIT team finds aviation emissions’ impacts on air quality larger than on climate

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Researchers at MIT have determined that growth in aviation causes twice as much damage to air quality as to the climate. Aviation emissions are an increasingly significant contributor to anthropogenic climate change. Aviation emissions are an increasingly significant contributor to anthropogenic climate change.

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UN report finds nations must be more ambitious with national climate action plans to achieve Paris goal

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UN Climate Change published the Initial NDC Synthesis Report , showing nations must redouble efforts and submit stronger, more ambitious national climate action plans in 2021 if they’re to achieve the Paris Agreement goal of limiting global temperature rise by 2 °C—ideally 1.5 °C—by C—by the end of the century.

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20 airlines commit to use new technologies to minimize climate impact; Target True Zero

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Twenty airline members of the World Economic Forum’s Target True Zero initiative committed to utilizing new technologies, such as electric, hydrogen and hybrid aircraft, to address the challenge of climate change. The Target True-Zero airlines also urged governments to do their part in supporting the transition to cleaner aviation.

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CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

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California’s Low Carbon Fuel Standard (LCFS), which requires fuel producers to reduce the carbon intensity of fuel sold in the state, is largely responsible for the shift by encouraging the use and production of cleaner alternatives. Since compliance began, the program has helped to replace more than 8.6 billion gallons of diesel.

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Obama climate plan calls for new fuel economy standards for heavy-duty vehicles post-2018; cleaner fuels and investment in advanced fossil energy

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Among the transportation-related elements of US President Barack Obama’s new climate action plan, which he is outlining today in a speech at Georgetown University, is the development of new fuel economy standards for heavy-duty vehicles post-2018. Preparing the US for the impacts of climate change. Earlier post.).

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