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Can ACs cool the world without warming it?

Grist

.” So, in order to truly save lives, AC needs to be more equitably distributed to the populations most at risk on a rapidly heating planet, and the technology itself needs an overhaul to avoid skyrocketing emissions. Romanin is one of those working on the problem. This week, we start with the tech side.

Cooling 110
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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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Measuring NOx in combustion

Envirotec Magazine

Instrumentation firm Signal Group takes a closer look at NOx measurement and the selection of an appropriate technology. The chemiluminescence reaction of ozone and nitric oxide causes the oxidation of nitric oxide (NO) to nitrogen dioxide (NO2) which generates photons that are measured using a photomultiplier tube. Ozonator design.

Ozone 130
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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. How HFCs keep rooms and food cool. Refrigerators and air conditioning use a technology known as a heat pump. As that liquid absorbs the heat, it evaporates.

Ozone 71
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Building Sustainability Checklist: 28 Tips to Make Your Building More Eco-Friendly.

Green Business Bureau

Follow this checklist to help your building become more sustainable in the following areas: lighting, construction, heating and cooling, water, energy, waste, indoor environment, landscaping, and maintenance. Heating and Cooling. Sustainable operation and maintenance. Building Sustainability Checklist.

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Carbon offsets alone won’t make flying climate-friendly

Grist

In the presence of the sun’s rays, nitrogen molecules set of a chain of reactions that produce ozone and destroy free-floating atmospheric methane. Some of these reactions, like the methane destruction, help cool the Earth. During the day, those clouds can reflect sunlight, keeping the Earth cool. Others warm it.

Carbon 131
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Four ways DuPont adhesives and resins advance EVs

Charged

The new adhesive, modified from existing DuPont technology, helped ensure battery pack frame structural integrity by demonstrating stiffness, durability, and crash performance. For example, DuPont’s collaboration with Volkswagen on its MEB platform resulted in the development of BETAMATE 2090 structural adhesive.

Plastics 105