Biofuels from algae: A budding technology yet to become viable

Despite high expectations and extensive research and investment in the last decade, technological options are still in developing stages and key resources for algal growth are still too onerous for economically viable production ...

Environmental impacts of land use have been underestimated

Environmental impacts of land use have been widely assessed in recent years. In particular, carbon footprints of food and bioenergy production have been studied. Environmental impact assessments are used in decision-making ...

Wind turbine payback

US researchers have carried out an environmental lifecycle assessment of 2-megawatt wind turbines mooted for a large wind farm in the US Pacific Northwest. Writing in the International Journal of Sustainable Manufacturing, ...

Conflicting opinions about the risks of antibacterial silver

Silver is used increasingly often as a bacterial agent in clothing and hygiene products, but there are conflicting opinions as to its effects on people and the environment. According to researchers at Chalmers and Gothenburg ...

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