Fixing the environment: when solutions become problems

In a world where climate change, air and water pollution, biodiversity loss, water scarcity, ozone depletion, and other environmental problems overlap, a fix in one arena can cause trouble in another.

High-efficiency discovery drives low-power computing

Challenge any modern human to go a day without a phone or computer, and you'd be hard pressed to get any takers. Our collective obsession with all things electronic is driving a dramatic daily drain on the world's power. ...

Wind farm 'predator' effect hits ecosystems: study

Wind farms act as a top "predator" in some ecosystems, harming birds at the top of the food chain and triggering a knock-on effect overlooked by green energy advocates, scientists said Monday.

Was life on the early Earth purple?

Early life forms on Earth may have been able to generate metabolic energy from sunlight using a purple-pigmented molecule called retinal that possibly predates the evolution of chlorophyll and photosynthesis. If retinal has ...

Biogas does not need subsidies

Subsidizing the combustion of biogas is expensive and prevents its use in a more effective way, according to Ghent University (Belgium) scientists in the leading journal Energy & Environmental Sciences. They propose using ...

Green technologies environmentally and profit friendly

Companies looking to reduce their environmental impact without negatively affecting profits may want to consider increasing their investment in green technology and other sustainable IT solutions, according to a new study ...

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