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Sponsored content: Green chiller is cool choice

Envirotec Magazine

Mackie’s green initiative involves replacing the gases used in its refrigeration plants from HCFC – which have a very high global warming potential – to ammonia, an environmentally-friendly refrigerant that has no impact on global warming or ozone depletion. www.gea.com.

Cooling 130
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Can ACs cool the world without warming it?

Grist

Several companies, including Gradient where Romanin is CEO (which landed him on the 2021 Grist 50 list ), are developing new AC technologies and approaches that are starting to show what a more efficient, less climate-intensive approach to cooling will look like. “And that absolutely doesn’t need to be true.”

Cooling 80
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Planned UK spaceports could add significantly to emissions of climate-warming gases

Envirotec Magazine

The global launch rate has already more than doubled over the past decade, with plans to dispatch a further 2,000 satellites globally by 2030. Although other particulate matter such as alumina is thought to cool the atmosphere, research into rocket launch emissions is inconclusive.

Ozone 268
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US, China commit to phase down climate-warming HFCs from refrigerators and air conditioners – but what will replace them this time?

Renewable Energy World

CFCs were destroying the ozone layer high in the Earth’s atmosphere, which is essential for protecting life from the Sun’s harmful ultraviolet radiation. HFCs are less harmful than CFCs, but they create another problem – they have a strong heat-trapping effect that is contributing to global warming.

Ozone 71
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Ice rink alternatives and their environmental impact

AGreenLiving

CFCs and HCFCs are synthetic gases attributed to ozone layer destruction. HFCs heighten the greenhouse effect, while carbon dioxide similarly intensifies global warming. The brine entails that this secondary fluid is high in salinity, having had salt added to boost its cooling properties.

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The Overview Effect

Grist

In interviews afterward, Shatner made a plea for the planet as TV hosts tried to steer him toward topics lighter than death and global warming. In response, NASA began positioning itself as an environmental authority, publicizing its new satellite technology that monitored the oceans, air pollution, and the ozone layer.

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Geoengineering’s gender problem could put the planet at risk

Grist

The hardware test was part of a bigger plan to see if strategically releasing aerosols might help cool the planet by reflecting sunlight. Working from a disused military airstrip in Norfolk, U.K., they would attach a 3,000-foot hose to a helium balloon, pump water into it, and spray the liquid into the atmosphere, where it would evaporate.

Ozone 79