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Global study links daily exposure to ozone pollution to increased risk of death

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Ground level ozone is a highly reactive gas commonly found in urban and suburban environments, formed when pollutants react in sunlight. Current air quality thresholds (in micrograms per cubic meter of ambient air) range from 100 ?g/m g/m 3 (WHO), 120 ?g/m g/m 3 (European Union directive), 140 ?g/m Vicedo-Cabrera et al.

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Trane bringing electric E-200 refrigeration unit for small trucks to US

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Ideal for last mile delivery of foods, medicines, vaccines and other perishables, this solution was first launched in Europe, Middle East and Africa (EMEA). Trane Technologies’ Thermo King has the largest range of zero and low-emission transport temperature control solutions in the industry.

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Carnegie study finds climate impact of particulates varies greatly depending on where the pollution originated

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Identical total annual emissions of sulfate and black carbon aerosol from eight major past, present, and potential future emitting regions (a) result in global-mean cooling spanning a 14x range (b, y-axis), differing substantially in the degree to which that cooling is felt in the emitting region (b, x-axis). This work is part of a larger $1.5-million

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Study finds some improved cookstoves may emit more black carbon pollution than traditional mud cookstoves

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ICs encompass a range of technologies, they noted, including natural draft (ND) stoves, which feature structural modifications to enhance air flow, and forced draft (FD) stoves, which additionally employ an external fan to force air into the combustion chamber. Praveen Puppala, Ramasubramanyaiyer Suresh, Lokendra Singh, Vivek K.

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Study using satellite data finds rate of urban growth much greater than previously thought

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The slope is derived from linear regression, with an uncertainty range at the 95 th confidence level. The bottom and upper bounds of the error bars indicate uncertainty ranges (95% confidence interval). Urban growth rates were smaller in Africa, Australia and South America, averaging less than 1,000 km 2 yr –1.

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BNEF, Snam, IGU report finds global gas industry set to resume growth post-pandemic; low-carbon technologies for long-term growth

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However, the resulting low gas prices, as well as clean air and climate policies, will promote further switching to gas from other more polluting energy sources, such as oil and coal. Clean hydrogen could abate up to 37% of energy-related greenhouse gas emissions, according to BNEF estimates.

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Ballard’s Protonex subsidiary receives first order for fuel cell system to power commercial UAVs

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UA Alpha will be a long-range, long-endurance survey and reconnaissance aircraft designed to carry advanced sensors. Onboard sensors will survey environmental variables used in the management of fires, pollution, erosion, alien vegetation and plant diseases. UA Plant is expected to be a 30 kilogram (66 lb.)