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Against the backdrop of ongoing planetary crises, this paper discusses the ambivalent relationship between large-scale material infrastructure, particularly energy technologies, and environmental justice. Inspired by relational and practice-oriented understandings of infrastructure, it develops a conceptual approach for energy-related environmental justice research, which is exemplarily applied to the emerging issue of green hydrogen, drawing on brief insights from the hydrogen frontrunner countries Colombia and Canada and associated struggles over Indigenous sovereignty. This "infrastructural lens", based on three epistemological shifts – from infrastructure to "infrastructuring", from social imaginaries to "sociotechnical imaginaries" and from human infrastructuring to "planetary infrastructuring" – provides deeper insights into how patterns of justice and injustice are practically infrastructured and what kinds of imaginaries they evoke or are entangled with. Moreover, it makes tangible how practices of infrastructuring can themselves become part of a broader political ontology, that is, of struggles over ways of being and ways of relating to planet Earth. [ABSTRACT FROM AUTHOR]

An introduction is provided for articles within the issue on sustainable economic growth in Canada with topics, including green technology, government policy innovations and municipal policies on climate change.

Environmental sustainability concerns are increasing worldwide; both developing and developed countries face environmental degradation. Literature has highlighted the environment-growth nexus; however, the impact of environmental-related technologies on the environment is ignored in early studies. This study aims to explore the implications of financial development, environmental-related technologies, research and development, energy intensity, renewable energy production, natural resource depletion, and temperature in a sustainable environment in Canada by using a time series model, i.e., dynamic ARDL simulations (Jordan and Philips 2018) with data from 1989 to 2020. The examined findings of the dynamic ARDL simulations indicate that environmental-related technologies in Canada help to reduce environmental degradation both in the short run and in the long run. At the same time, financial development, energy intensity, renewable energy production, research and development, natural resource depletion, and temperature causes boost the environmental degradation in Canada. To achieve sustainable environment, Canada needs to improve innovations in the environmental-related technologies for achieving sustainable growth and environment. [ABSTRACT FROM AUTHOR]