Getting climate, energy & environment news right.

Offshore wind farms could help capture carbon from air and store it long-term – using energy that would otherwise go to waste
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Offshore wind farms could help capture carbon from air and store it long-term – using energy that would otherwise go to waste

"Replacing fossil fuel-based energy with clean energy like wind power is essential to holding off the worsening effects of climate change. But that transition isn’t happening fast enough to stop global warming. Human activities have pumped so much carbon dioxide into the atmosphere that we will also have to remove carbon dioxide from the air and lock it away permanently."

Tons of used face masks to be turned into energy
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Tons of used face masks to be turned into energy

"First the masks are disinfected with ultrasound, then dipped in 'ink' made of graphene, which saturates the mask. Then the material is pressed under pressure and heated to 140 degrees Celsius (conventional supercapacitor batteries require very high temperatures for pyrolysis-carbonation, up to 1000–1300 degrees Celsius, while the new technology reduces energy consumption by a factor of 10). A separator (also made of mask material) with insulating properties is then placed between the two electrodes made of the new material."

Climate change: Key crops face major shifts as world warms
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Climate change: Key crops face major shifts as world warms

"Coffee is the most susceptible crop to high temperatures. In those countries accounting for the majority of the world's production of Arabica - the dominant coffee variety - suitability for growing the crop will decrease by around half by 2050 - a 'drastic' reduction, according to the report."

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