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The quest for cleaner air

Envirotec Magazine

India Gate, New Delhi: Residents of the city face pollution levels with a health impact estimated to be equivalent to smoking more than two packs of cigarettes a day (image credit: Amit kg / Shutterstock.com). However, these gases are not the only emissions that should be a cause for concern.

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Environmental Consequences of Vehicle Emissions

The Environmental Blog

These pollutants contribute significantly to environmental degradation and pose serious health risks to both humans and ecosystems. According to the World Health Organization (WHO), air pollution is responsible for around 7 million premature deaths each year. The impact on human health is equally concerning.

Pollution 195
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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. What can replace HFCs?

Ozone 71
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Part 2: The Dirty Dozen Documents of Big Oil’s Secret Climate Knowledge

DeSmogBlog

Provenance: Inside Climate News featured this document in a 2015 story titled, “ Exxon’s Own Research Confirmed Fossil Fuels’ Role in Global Warming Decades Ago.” And they talk about solutions like carbon capture, which shows this was an established technology. Available at ClimateFiles. View on DocumentCloud.

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CO2 monitors facilitate rollout of environmentally friendly refrigeration in Australian supermarkets

Envirotec Magazine

However, Chlorofluorocarbons (CFCs) caused damage to the ozone layer and were phased out following the Montreal Protocol in 1987. Production of Hydrochlorofluorocarbons (HCFCs) then increased globally, because they are less harmful to stratospheric ozone. Advanced sensor technology. Benefits of the Vaisala technology.

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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 91
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UN: Slashing methane emissions 'one of the best ways' to curb global temperature rise

Business Green

Methane emissions reduction could significantly reduce rates of global warming at a relatively low cost, major research warns. As such, the report emphasises that methane mitigation is "one of the best ways of limiting warming in this and subsequent decades".

Methane 67