Energy & Green Tech

Portugal bets all on renewables after abandoning coal

As the UN steps up calls to make the switch to renewable energy to fight the global climate emergency, Portugal is among the first European Union countries to abandon coal.

Energy & Green Tech

UN urges 'complete transformation' of global energy system

Climate change risks undermining global energy security unless the use of renewables is dramatically scaled up, the UN warned Tuesday, suggesting the Ukraine conflict's ripple effects could speed up the green transition.

Energy & Green Tech

Bio-what? Half of Danes don't know what biomass is

Nearly half of Danes have never heard of Denmark's largest source of renewable energy. The finding, reported in a study from the University of Copenhagen, is the first to explore Danish attitudes to woody biomass as an energy ...

Energy & Green Tech

How does this professor's garden grow? On a Denver rooftop

Colorado State University professor Jennifer Bousselot is growing a garden on top of a building in Denver as part of her ongoing research into "green roofs" and her efforts to educate the public about their many benefits.

Energy & Green Tech

Hawaii quits coal in bid to fight climate change

The last bits of ash and greenhouse gases from Hawaii's only remaining coal-fired power plant slipped into the environment this week when the state's dirtiest source of electricity burned its final pieces of fuel.

Energy & Green Tech

With new solar modules, greenhouses run on their own energy

Plants use light waves from only a portion of the spectrum for photosynthesis—the remainder can be recovered and used to generate solar power. That's the idea behind the solar modules developed by EPFL startup Voltiris. ...

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