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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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New WHO has issued new Global Air Quality Guidelines (AQGs) that reduce levels of key air pollutants, some of which also contribute to climate change. Recommended 2021 AQG levels compared to 2005 air quality guidelines. The goal of the guideline is for all countries to achieve recommended air quality levels. Source: WHO.

Pollution 435
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Constellation Energy sets industry record for blending hydrogen with natural gas

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Constellation Energy has set an industry record for blending high concentrations of hydrogen with natural gas, further evidence that hydrogen can be an effective tool to lower greenhouse gas emissions. NO x emissions did not increase during this blending test, confirming there was no negative impact to local air quality.

Hydrogen 186
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Polestar reduced greenhouse-gas emissions by 6% per car in 2021

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Polestar has released its second Annual Review and Sustainability report , highlighting progress towards its ambitious climate goals. In 2021, Polestar reduced greenhouse gas-emissions per car sold by 6% through its focus on increased efficiency and use of renewable energy. —Fredrika KlarĂ©n?, Head of Sustainability at Polestar.

Emissions 199
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New study confirms extensive gas leaks in the North Sea; recommends stricter guidelines for handling of abandoned wells

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An initial assessment showed that these emissions could be the dominant source of methane in the North Sea. In addition, the team used available seismic data of the industry from the British sector of the North Sea to make further statements about the boreholes in the area. Matthias Haeckel from GEOMAR, who lead the study. Haeckel, M.

Gas 273
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Group of 285 global investors with more than $20T in assets under management calls for urgent action on investment-grade climate change and energy policies; guidelines for governments

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Saying that “ investment-grade climate change and clean energy policy is required to shift private sector investment from high-carbon to low-carbon assets ”, a group of 285 investors has urged governments and international policy makers to take new and meaningful steps in the fight against climate change.

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Black carbon linked to increased cardiovascular risk; exacerbated by co-exposure to motor vehicle emissions

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Black carbon (BC) from incomplete biomass and fossil fuel combustion is the most strongly light-absorbing component of particulate matter (PM) air pollution and a major climate-forcing emission. Air pollution mitigation efforts focusing on reducing combustion pollution are likely to have major benefits for climate and human health.

Carbon 275
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Summary of decisions from Durban climate conference

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Governments at the COP17 meeting decided to adopt some form of a universal legal agreement on climate change as soon. Governments, including 35 industrialized countries, also agreed to a second commitment period of the Kyoto Protocol—due to expire next year— from 1 January 2013. Green Climate Fund. future agreements.

Climate 294