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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 86
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Measuring NOx in combustion

Envirotec Magazine

NOx is a generic term for the oxides of nitrogen that have significant effects on the environment and human health. Globally, a wide variety of organisations have published reports linking serious health effects with short- and long-term exposure to NO2. Ozonator design. Chemiluminescent photon detector.

Ozone 130
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Building Sustainability Checklist: 28 Tips to Make Your Building More Eco-Friendly.

Green Business Bureau

The main challenges with building sustainability involve reducing overall impact to human health the and the environment. 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.

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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. But when they break down, they create chlorine that reacts with the protective ozone, letting dangerous radiation through to the Earth’s surface.

Ozone 71
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Green City Solutions fights air pollution with IoT, biotech and moss

Green Tech Challenge

In 2016, World Energy Outlook made a study on air pollution as the fourth-largest threat to human health – but also to our environment. They seek to solve it with a combination of Internet of Things (IoT) and plants, providing clean and cool air to hot urban cities.

IoT 73
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Ice rink alternatives and their environmental impact

AGreenLiving

CFCs and HCFCs are synthetic gases attributed to ozone layer destruction. The brine entails that this secondary fluid is high in salinity, having had salt added to boost its cooling properties. At the levels of carbon monoxide typically found in indoor rinks, fast breathing from skating or hockey can produce adverse health effects.”

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Different Types of Insulation that contribute in Energy Efficiency of the Building

Econaur

Radiant barriers are installed in homes — usually in attics — primarily to reduce summer heat gain, which helps lower cooling costs. Radiant barriers are more effective in hot climates, especially when cooling air ducts are located in the attic. The reduced heat gain may even allow for a smaller air conditioning system.