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Scanning the cosmos for signs of alien technology

Physics World

While neither idea was ever implemented, both were examples of a “technosignature” or a “technomarker” – a tell-tale indication of past or present technological activity, pointing out the existence of an advanced planetary civilization. Analogous to technosignatures, these are the signs of life on alien worlds, intelligent or otherwise.

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Lake Erie’s Failed Algae Strategy Hurts Poor Communities the Most

Circle of Blue

After the 2014 shutdown Toledo spent $53 million to install an ozone treatment system at the city’s drinking water plant to safeguard customers from algal toxins, said Andrew McClure, the plant’s administrator. Then there is the ongoing cost of putting that equipment to work. Climate change promises to raise all of these costs. ” .

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Sparklers & Fireworks: How Do Festive Traditions Impact Air Quality?

Breezometer

When a firework explodes, it releases a combination of fine particulate matter (which includes heavy metals, as well as poisonous gases) into the atmosphere. Studies have also shown that fireworks can create a ‘burst’ of ozone formation, also harmful to human health. This can cause a rapid impact on the surrounding air quality.

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Materials and nanotechnology: highlights of 2021

Physics World

Today, physics is undergoing a second quantum revolution, with new technology allowing scientists to study ever more weird and wonderful systems. What is more, it locks in atmospheric carbon for its lifetime and can be produced in a sustainable way. Quantum material “learns” like a living creature.

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The Power of Methane: Why Tackling Emissions Is Key to Curbing Climate Change

Greenbuilding Law

Over a 20 year period, methane is estimated to be more than 80 times as potent as carbon dioxide in terms of trapping heat in the atmosphere. Quick Acting Impact : Unlike carbon dioxide, which can persist in the atmosphere for centuries or maybe millennia, methane has a relatively short atmospheric lifespan of approximately 12 years.

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DEP Invests Over $2.7 Million In Alternative Fuel Transportation Projects To Improve Air Quality & Public Health, Reduce Greenhouse Gas Emissions

PA Environment Daily

Transportation generates 47 percent of nitrogen oxide emissions in Pennsylvania, contributing to the formation of ground-level ozone. AFIG grants are awarded for projects in three categories: Vehicle Retrofit and/or Purchasing; Refueling Infrastructure; and Innovative Technology.

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EPA Proposes the Use of AI to Identify Enforcement Targets

Acoel

Write a summary of the available technologies for controlling the emission of sulfur dioxides.” Or: “Write a history of EPA’s regulation of ozone.” Or: “What are the global impacts from the release of greenhouse gases into the atmosphere.”

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