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Tag: Environmental

  • Environmental groups sue over California support for polluting biofuels

    Environmental groups sue over California support for polluting biofuels

    SACRAMENTO, Calif. — Several environmental groups are suing California air regulators over their recent update of a contentious climate program, saying they failed to address the pollution impacts of biofuels.

    The lawsuits target the low-carbon fuel standard, which requires California to reduce the environmental impact of transportation fuels by incentivizing producers to cut emissions. The California Air Resources Board voted last month to increase the state’s emission reduction targets, fund charging infrastructure for zero-emission vehicles, and phase out incentives for capturing methane emissions from dairy farms to turn into fuel.

    California, which often leads the nation on climate policy, plans to achieve so-called carbon neutrality by 2045, meaning the state will remove as many carbon emissions from the atmosphere as it emits. The state has passed policies in recent years to phase out the sale of new fossil-fuel powered cars, trucks, trains and lawn mowers.

    One of the lawsuits filed this week, by the nonprofit Communities for a Better Environment, accuses the board of failing to thoroughly analyze the climate impacts of burning biofuels derived from plants and animal waste. Another, filed by Food and Water Watch, Central Valley Defenders of Clean Air and Water, and the Animal Legal Defense Fund, focuses on the impact of pollution often impacting low-income and Latino communities from the capture of methane from cow manure to turn into fuel.

    “People who live near refineries in California are harmed by the spiraling expansion of polluting biofuels,” but CARB failed to analyze the resulting harm to these communities, said a statement by Katherine Ramos, a program director at Communities for a Better Environment.

    Environmentalists say the LCFS program has stimulated the production of polluting biofuels, competing with food production and contributing to deforestation. They want California to focus more on expanding the charging infrastructure for electric vehicles.

    The agency declined to comment on the lawsuits but said the program plays an important role in combating climate change and improving air quality.

    “The amendments channel global, national and local private sector investment towards increasing cleaner fuel and transportation options for consumers, accelerating the deployment of zero-emission infrastructure, and keeping the state on track to meet legislatively mandated air quality and climate targets,” Dave Clegern, a spokesperson for the board, said in an email.

    ___

    Austin is a corps member for the Associated Press/Report for America Statehouse News Initiative. Report for America is a nonprofit national service program that places journalists in local newsrooms to report on undercovered issues. Follow Austin on Twitter: @ sophieadanna

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  • Environmental and lifestyle factors influence sedentary behaviour among adolescents, reveals global study – Life News

    Environmental and lifestyle factors influence sedentary behaviour among adolescents, reveals global study – Life News

    The World Health Organization (WHO) recommends no more than two to three hours per day of sedentary time for youth. However, a recent study has revealed that adolescents worldwide are spending an average of 8 to 10 hours per day engaging in sedentary activities such as watching television, using electronic devices, playing video games, and riding in motorized vehicles.

    A groundbreaking study titled “Associations of Perceived Neighbourhood and Home Environments with Sedentary Behaviour Among Adolescents in 14 Countries” has been published in the prestigious International Journal of Behavioural Nutrition and Physical Activity. The findings, derived from the International Physical Activity and the Environment Network (IPEN) Adolescent Study, shed light on how environmental and lifestyle factors influence sedentary behaviour (SB) among adolescents aged 11–19 years across diverse cultural contexts.

    The multi-country, cross-sectional study analysed data from 6,302 adolescents and their parents and India was a major contributor to the study. Accelerometer-based sedentary time (ST) was assessed over seven days, alongside surveys evaluating recreational screen time, transport-related sitting time, and environmental factors such as home environments and neighbourhood features.

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    Key findings of the study:

    • Adolescents accumulated an average of 7.8 to 10.5 hours of sedentary time per day across the 14 countries.
    • Social media use emerged as the most significant correlate of total sedentary time for both sexes.
    • Recreational screen time averaged 3.8 hours per day, while transport-related sitting time was approximately 40 minutes per day.
    • Home environmental factors, such as access to social media accounts, strongly influenced screen time. Neighbourhood features, including land use diversity, traffic safety, and pedestrian infrastructure, impacted transport-related sitting time.
    • The city or country of residence and sex of the adolescent significantly influenced the associations between environmental features and sedentary behaviour.

    “This study is an important step in understanding the global patterns of sedentary behaviour among adolescents. Identifying social media use as a significant factor influencing sedentary time highlights the need for interventions aimed at promoting balanced screen use and encouraging active lifestyles in young people. Parents, policymakers, and technology companies must work together to reduce access to screens, limit social media engagement, and promote more physical activity to help adolescents develop healthier habits and reduce their risk of chronic diseases like type 2 diabetes, obesity and cardiovascular diseases,” Dr. R. M. Anjana, President of the Madras Diabetes Research Foundation and first author of the study said.

    These findings call for holistic policies to reduce sedentary time and enhance the overall health of young people worldwide, Dr. Anjana said.

    “Both home and neighbourhood environments play a critical role in shaping sedentary behaviour. Urban planning, community safety, and supportive home environments collectively influence how adolescents balance their time between active and sedentary pursuits,” Dr. Ranjani Harish, Senior Scientist & Head of the Department of Preventive and Digital Health Research at the Madras Diabetes Research Foundation said.

    Countries are already taking action to address this rising concern. Australia recently introduced policies banning social media use for children under 16, aiming to reduce its negative impact on adolescent health and wellbeing.

    This study underscores the importance of integrating behavioural, environmental and policy-based approaches to address the rising sedentary lifestyle among adolescents. With social media emerging as a major contributor, it is vital to focus on creating healthy digital habits and improving community infrastructure to effectively reduce sedentary time, the researchers said.



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